diff --git a/src/kits/app/TokenSpace.cpp b/src/kits/app/TokenSpace.cpp
index c8fae5b432..2ab3f85ea6 100644
--- a/src/kits/app/TokenSpace.cpp
+++ b/src/kits/app/TokenSpace.cpp
@@ -22,6 +22,7 @@ BTokenSpace gDefaultTokens;
 
 BTokenSpace::BTokenSpace()
 	:
+	BLocker("token space"),
 	fTokenCount(1)
 {
 }