diff --git a/Sources/CoreStoreObject+Querying.swift b/Sources/CoreStoreObject+Querying.swift
index 52807e4..3be80f5 100644
--- a/Sources/CoreStoreObject+Querying.swift
+++ b/Sources/CoreStoreObject+Querying.swift
@@ -61,7 +61,7 @@ public extension ValueContainer.Required {
      */
     public static func < (_ attribute: ValueContainer<O>.Required<V>, _ value: V) -> Where<O> {
         
-        return Where("%K < %@", attribute.keyPath, value)
+        return Where("%K < %@", attribute.keyPath, value.cs_toQueryableNativeType())
     }
     
     /**
@@ -72,7 +72,7 @@ public extension ValueContainer.Required {
      */
     public static func > (_ attribute: ValueContainer<O>.Required<V>, _ value: V) -> Where<O> {
         
-        return Where("%K > %@", attribute.keyPath, value)
+        return Where("%K > %@", attribute.keyPath, value.cs_toQueryableNativeType())
     }
     
     /**
@@ -83,7 +83,7 @@ public extension ValueContainer.Required {
      */
     public static func <= (_ attribute: ValueContainer<O>.Required<V>, _ value: V) -> Where<O> {
         
-        return Where("%K <= %@", attribute.keyPath, value)
+        return Where("%K <= %@", attribute.keyPath, value.cs_toQueryableNativeType())
     }
     
     /**
@@ -94,7 +94,7 @@ public extension ValueContainer.Required {
      */
     public static func >= (_ attribute: ValueContainer<O>.Required<V>, _ value: V) -> Where<O> {
         
-        return Where("%K >= %@", attribute.keyPath, value)
+        return Where("%K >= %@", attribute.keyPath, value.cs_toQueryableNativeType())
     }
     
     /**
@@ -146,7 +146,7 @@ public extension ValueContainer.Optional {
         
         if let value = value {
             
-            return Where("%K < %@", attribute.keyPath, value)
+            return Where("%K < %@", attribute.keyPath, value.cs_toQueryableNativeType())
         }
         else {
             
@@ -164,7 +164,7 @@ public extension ValueContainer.Optional {
         
         if let value = value {
             
-            return Where("%K > %@", attribute.keyPath, value)
+            return Where("%K > %@", attribute.keyPath, value.cs_toQueryableNativeType())
         }
         else {
             
@@ -182,7 +182,7 @@ public extension ValueContainer.Optional {
         
         if let value = value {
             
-            return Where("%K <= %@", attribute.keyPath, value)
+            return Where("%K <= %@", attribute.keyPath, value.cs_toQueryableNativeType())
         }
         else {
             
@@ -200,7 +200,7 @@ public extension ValueContainer.Optional {
         
         if let value = value {
             
-            return Where("%K >= %@", attribute.keyPath, value)
+            return Where("%K >= %@", attribute.keyPath, value.cs_toQueryableNativeType())
         }
         else {
             
diff --git a/Sources/KeyPath+Querying.swift b/Sources/KeyPath+Querying.swift
index 16ac974..6a38c4e 100644
--- a/Sources/KeyPath+Querying.swift
+++ b/Sources/KeyPath+Querying.swift
@@ -109,7 +109,7 @@ public func ~= <O: NSManagedObject, V: QueryableAttributeType & Equatable, S: Se
  */
 public func < <O: NSManagedObject, V: QueryableAttributeType & Comparable>(_ keyPath: KeyPath<O, V>, _ value: V) -> Where<O> {
     
-    return Where<O>("%K < %@", keyPath._kvcKeyPathString!, value)
+    return Where<O>("%K < %@", keyPath._kvcKeyPathString!, value.cs_toQueryableNativeType())
 }
 
 /**
@@ -120,7 +120,7 @@ public func < <O: NSManagedObject, V: QueryableAttributeType & Comparable>(_ key
  */
 public func > <O: NSManagedObject, V: QueryableAttributeType & Comparable>(_ keyPath: KeyPath<O, V>, _ value: V) -> Where<O> {
     
-    return Where<O>("%K > %@", keyPath._kvcKeyPathString!, value)
+    return Where<O>("%K > %@", keyPath._kvcKeyPathString!, value.cs_toQueryableNativeType())
 }
 
 /**
@@ -131,7 +131,7 @@ public func > <O: NSManagedObject, V: QueryableAttributeType & Comparable>(_ key
  */
 public func <= <O: NSManagedObject, V: QueryableAttributeType & Comparable>(_ keyPath: KeyPath<O, V>, _ value: V) -> Where<O> {
     
-    return Where<O>("%K <= %@", keyPath._kvcKeyPathString!, value)
+    return Where<O>("%K <= %@", keyPath._kvcKeyPathString!, value.cs_toQueryableNativeType())
 }
 
 /**
@@ -142,7 +142,7 @@ public func <= <O: NSManagedObject, V: QueryableAttributeType & Comparable>(_ ke
  */
 public func >= <O: NSManagedObject, V: QueryableAttributeType & Comparable>(_ keyPath: KeyPath<O, V>, _ value: V) -> Where<O> {
     
-    return Where<O>("%K >= %@", keyPath._kvcKeyPathString!, value)
+    return Where<O>("%K >= %@", keyPath._kvcKeyPathString!, value.cs_toQueryableNativeType())
 }
 
 
@@ -158,7 +158,7 @@ public func < <O: NSManagedObject, V: QueryableAttributeType & Comparable>(_ key
     
     if let value = value {
         
-        return Where<O>("%K < %@", keyPath._kvcKeyPathString!, value)
+        return Where<O>("%K < %@", keyPath._kvcKeyPathString!, value.cs_toQueryableNativeType())
     }
     else {
         
@@ -176,7 +176,7 @@ public func > <O: NSManagedObject, V: QueryableAttributeType & Comparable>(_ key
     
     if let value = value {
         
-        return Where<O>("%K > %@", keyPath._kvcKeyPathString!, value)
+        return Where<O>("%K > %@", keyPath._kvcKeyPathString!, value.cs_toQueryableNativeType())
     }
     else {
         
@@ -194,7 +194,7 @@ public func <= <O: NSManagedObject, V: QueryableAttributeType & Comparable>(_ ke
     
     if let value = value {
         
-        return Where<O>("%K <= %@", keyPath._kvcKeyPathString!, value)
+        return Where<O>("%K <= %@", keyPath._kvcKeyPathString!, value.cs_toQueryableNativeType())
     }
     else {
         
@@ -212,7 +212,7 @@ public func >= <O: NSManagedObject, V: QueryableAttributeType & Comparable>(_ ke
     
     if let value = value {
         
-        return Where<O>("%K >= %@", keyPath._kvcKeyPathString!, value)
+        return Where<O>("%K >= %@", keyPath._kvcKeyPathString!, value.cs_toQueryableNativeType())
     }
     else {
         
@@ -441,7 +441,7 @@ public func ~= <O, V, S: Sequence>(_ sequence: S, _ keyPath: KeyPath<O, ValueCon
  */
 public func < <O, V: Comparable>(_ keyPath: KeyPath<O, ValueContainer<O>.Required<V>>, _ value: V) -> Where<O> {
     
-    return Where<O>("%K < %@", O.meta[keyPath: keyPath].keyPath, value)
+    return Where<O>("%K < %@", O.meta[keyPath: keyPath].keyPath, value.cs_toQueryableNativeType())
 }
 
 /**
@@ -452,7 +452,7 @@ public func < <O, V: Comparable>(_ keyPath: KeyPath<O, ValueContainer<O>.Require
  */
 public func > <O, V: Comparable>(_ keyPath: KeyPath<O, ValueContainer<O>.Required<V>>, _ value: V) -> Where<O> {
     
-    return Where<O>("%K > %@", O.meta[keyPath: keyPath].keyPath, value)
+    return Where<O>("%K > %@", O.meta[keyPath: keyPath].keyPath, value.cs_toQueryableNativeType())
 }
 
 /**
@@ -463,7 +463,7 @@ public func > <O, V: Comparable>(_ keyPath: KeyPath<O, ValueContainer<O>.Require
  */
 public func <= <O, V: Comparable>(_ keyPath: KeyPath<O, ValueContainer<O>.Required<V>>, _ value: V) -> Where<O> {
     
-    return Where<O>("%K <= %@", O.meta[keyPath: keyPath].keyPath, value)
+    return Where<O>("%K <= %@", O.meta[keyPath: keyPath].keyPath, value.cs_toQueryableNativeType())
 }
 
 /**
@@ -474,7 +474,7 @@ public func <= <O, V: Comparable>(_ keyPath: KeyPath<O, ValueContainer<O>.Requir
  */
 public func >= <O, V: Comparable>(_ keyPath: KeyPath<O, ValueContainer<O>.Required<V>>, _ value: V) -> Where<O> {
     
-    return Where<O>("%K >= %@", O.meta[keyPath: keyPath].keyPath, value)
+    return Where<O>("%K >= %@", O.meta[keyPath: keyPath].keyPath, value.cs_toQueryableNativeType())
 }
 
 
@@ -490,7 +490,7 @@ public func < <O, V>(_ keyPath: KeyPath<O, ValueContainer<O>.Optional<V>>, _ val
     
     if let value = value {
 
-        return Where<O>("%K < %@", O.meta[keyPath: keyPath].keyPath, value)
+        return Where<O>("%K < %@", O.meta[keyPath: keyPath].keyPath, value.cs_toQueryableNativeType())
     }
     else {
 
@@ -508,7 +508,7 @@ public func > <O, V>(_ keyPath: KeyPath<O, ValueContainer<O>.Optional<V>>, _ val
     
     if let value = value {
         
-        return Where<O>("%K > %@", O.meta[keyPath: keyPath].keyPath, value)
+        return Where<O>("%K > %@", O.meta[keyPath: keyPath].keyPath, value.cs_toQueryableNativeType())
     }
     else {
         
@@ -526,7 +526,7 @@ public func <= <O, V>(_ keyPath: KeyPath<O, ValueContainer<O>.Optional<V>>, _ va
     
     if let value = value {
         
-        return Where<O>("%K <= %@", O.meta[keyPath: keyPath].keyPath, value)
+        return Where<O>("%K <= %@", O.meta[keyPath: keyPath].keyPath, value.cs_toQueryableNativeType())
     }
     else {
         
@@ -544,7 +544,7 @@ public func >= <O, V>(_ keyPath: KeyPath<O, ValueContainer<O>.Optional<V>>, _ va
     
     if let value = value {
         
-        return Where<O>("%K >= %@", O.meta[keyPath: keyPath].keyPath, value)
+        return Where<O>("%K >= %@", O.meta[keyPath: keyPath].keyPath, value.cs_toQueryableNativeType())
     }
     else {