diff --git a/Extensions/Testing/CLIExtensionTemplate/CLIModuleTemplate/CLIModuleTemplate.cxx b/Extensions/Testing/CLIExtensionTemplate/CLIModuleTemplate/CLIModuleTemplate.cxx
index 28f2121d40c..f0cc177539d 100644
--- a/Extensions/Testing/CLIExtensionTemplate/CLIModuleTemplate/CLIModuleTemplate.cxx
+++ b/Extensions/Testing/CLIExtensionTemplate/CLIModuleTemplate/CLIModuleTemplate.cxx
@@ -15,7 +15,7 @@ namespace
 {
 
 template <typename TPixel>
-int DoIt( int argc, char * argv[], T )
+int DoIt( int argc, char * argv[], TPixel )
 {
   PARSE_ARGS;