diff --git a/indra/llimage/tests/llimageworker_test.cpp b/indra/llimage/tests/llimageworker_test.cpp
index 0a97b739b093333c35e50b53225c061cf2b8d407..ffcd7d257f63812880d18746502846cb60ad331a 100644
--- a/indra/llimage/tests/llimageworker_test.cpp
+++ b/indra/llimage/tests/llimageworker_test.cpp
@@ -98,7 +98,7 @@ namespace tut
 				done = res;
 				*done = false;
 			}
-			virtual void completed(bool success, LLImageRaw* raw, LLImageRaw* aux)
+			virtual void completed(bool success, LLImageRaw* raw, LLImageRaw* aux, U32)
 			{
 				*done = true;
 			}