diff --git a/src/kits/app/TokenSpace.cpp b/src/kits/app/TokenSpace.cpp
index 69593c8db9..fee9f60c85 100644
--- a/src/kits/app/TokenSpace.cpp
+++ b/src/kits/app/TokenSpace.cpp
@@ -34,7 +34,7 @@ BTokenSpace::BTokenSpace()
 	:
 	fNextToken(1)
 {
-	fLock = PTHREAD_RECURSIVE_MUTEX_INITIALIZER;
+	fLock = (pthread_mutex_t)PTHREAD_RECURSIVE_MUTEX_INITIALIZER;
 }