diff --git a/src/kits/storage/PathMonitor.cpp b/src/kits/storage/PathMonitor.cpp
index fa7e683623..3212798834 100644
--- a/src/kits/storage/PathMonitor.cpp
+++ b/src/kits/storage/PathMonitor.cpp
@@ -526,7 +526,7 @@ PathHandler::_IsContained(BEntry& entry) const
 
 
 bool
-PathHandler::_HasDirectory(const node_ref& nodeRef, bool* _contained = NULL) const
+PathHandler::_HasDirectory(const node_ref& nodeRef, bool* _contained /* = NULL */) const
 {
 	watched_directory directory;
 	directory.node = nodeRef;