diff --git a/CoreStore.podspec b/CoreStore.podspec
index 7c1fbed..cb13485 100644
--- a/CoreStore.podspec
+++ b/CoreStore.podspec
@@ -16,8 +16,9 @@ Pod::Spec.new do |s|
     s.public_header_files = "Sources/**/*.h"
     s.frameworks = "Foundation", "CoreData"
     s.requires_arc = true
-    s.pod_target_xcconfig = { 'OTHER_SWIFT_FLAGS' => '-D USE_FRAMEWORKS',
+    s.pod_target_xcconfig = { 'OTHER_SWIFT_FLAGS[config=Debug]' => '-D USE_FRAMEWORKS -D DEBUG',
+                              'OTHER_SWIFT_FLAGS[config=Release]' => '-D USE_FRAMEWORKS',
                               'GCC_PREPROCESSOR_DEFINITIONS' => 'USE_FRAMEWORKS=1' }
-    
+
     s.dependency "GCDKit", "1.2.6"
-end
\ No newline at end of file
+end