diff --git a/src/tools/java_resource_extractor/resource_extractor.py b/src/tools/java_resource_extractor/resource_extractor.py
index f2d583be4..e52387b5b 100644
--- a/src/tools/java_resource_extractor/resource_extractor.py
+++ b/src/tools/java_resource_extractor/resource_extractor.py
@@ -39,6 +39,7 @@
     '.java',  # Java source files
     '.scala',  # Scala source files
     '.class',  # Java class files
+    '.class.uninstrumented',  # Uninstrumented Java class files
     '.scc',  # Visual SourceSafe
     '.swp',  # vi swap file
     '.gwt.xml',  # Google Web Toolkit modules