diff --git a/src/kits/storage/PathMonitor.cpp b/src/kits/storage/PathMonitor.cpp
index 8485f32f51..01fe91e71d 100644
--- a/src/kits/storage/PathMonitor.cpp
+++ b/src/kits/storage/PathMonitor.cpp
@@ -119,7 +119,7 @@ class PathHandler : public BHandler {
 
 
 static WatcherMap sWatchers;
-static BLocker* sLocker;
+static BLocker* sLocker = NULL;
 
 
 static status_t