diff --git a/dependency-check-core/src/main/java/org/owasp/dependencycheck/xml/pom/Model.java b/dependency-check-core/src/main/java/org/owasp/dependencycheck/xml/pom/Model.java
index 1a78294f7..74e81e576 100644
--- a/dependency-check-core/src/main/java/org/owasp/dependencycheck/xml/pom/Model.java
+++ b/dependency-check-core/src/main/java/org/owasp/dependencycheck/xml/pom/Model.java
@@ -348,7 +348,7 @@ public class Model {
      * Utility class that can provide values from a Properties object to a
      * StrSubstitutor.
      */
-    private static class PropertyLookup extends StrLookup {
+    private static class PropertyLookup extends StrLookup<String> {
 
         /**
          * Reference to the properties to lookup.