diff --git a/src/kits/app/LooperList.cpp b/src/kits/app/LooperList.cpp
index 2c0d80f60c..bc1600dded 100644
--- a/src/kits/app/LooperList.cpp
+++ b/src/kits/app/LooperList.cpp
@@ -49,7 +49,8 @@ typedef vector<BLooperList::LooperData>::iterator LDIter;
 
 //------------------------------------------------------------------------------
 BLooperList::BLooperList()
-	:	fLooperID(0)
+ :	fLock("BLooperList lock"),
+	fLooperID(0)
 {
 }
 //------------------------------------------------------------------------------