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-rw-r--r--qobject.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/qobject.h b/qobject.h
index d42386dde1..9124649ed2 100644
--- a/qobject.h
+++ b/qobject.h
@@ -71,7 +71,7 @@ typedef struct QObject {
 
 /* High-level interface for qobject_decref() */
 #define QDECREF(obj)              \
-    qobject_decref(QOBJECT(obj))
+    qobject_decref(obj ? QOBJECT(obj) : NULL)
 
 /* Initialize an object to default values */
 #define QOBJECT_INIT(obj, qtype_type)   \