diff --git a/subsystems/win32/csrsrv/procsup.c b/subsystems/win32/csrsrv/procsup.c
index eb77cd1663f..72b97d8596a 100644
--- a/subsystems/win32/csrsrv/procsup.c
+++ b/subsystems/win32/csrsrv/procsup.c
@@ -1079,7 +1079,7 @@ CsrLockProcessByClientId(IN HANDLE Pid,
 {
     PLIST_ENTRY NextEntry;
     PCSR_PROCESS CurrentProcess = NULL;
-    NTSTATUS Status;
+    NTSTATUS Status = STATUS_UNSUCCESSFUL;
 
     /* Acquire the lock */
     CsrAcquireProcessLock();