diff --git a/src/kits/storage/Node.cpp b/src/kits/storage/Node.cpp
index b8375e7bab..dd8ba25240 100644
--- a/src/kits/storage/Node.cpp
+++ b/src/kits/storage/Node.cpp
@@ -569,7 +569,7 @@ BNode::ReadAttrString(const char *name, BString *result) const
 	// Null terminate the new string just to be sure (since it *is*
 	// possible to read and write non-NULL-terminated strings)
 	data[bytes] = 0;		
-	result->UnlockBuffer(bytes+1);	
+	result->UnlockBuffer();
 	return error;
 }