diff --git a/win32ss/user/ntuser/prop.c b/win32ss/user/ntuser/prop.c
index e325ed45cfa..038f909d80d 100644
--- a/win32ss/user/ntuser/prop.c
+++ b/win32ss/user/ntuser/prop.c
@@ -143,7 +143,7 @@ NtUserBuildPropList(
     PWND Window;
     PPROPERTY Property;
     PLIST_ENTRY ListEntry;
-    PROPLISTITEM listitem, *li;
+    PROPLISTITEM listitem = { 0 }, *li;
     NTSTATUS Status;
     DWORD Cnt = 0;