diff --git a/reactos/subsystems/ntvdm/dos/dem.c b/reactos/subsystems/ntvdm/dos/dem.c
index a0b1a5baac6..6f060c46412 100644
--- a/reactos/subsystems/ntvdm/dos/dem.c
+++ b/reactos/subsystems/ntvdm/dos/dem.c
@@ -47,7 +47,7 @@ static VOID WINAPI DosSystemBop(LPWORD Stack)
     {
         case 0x11:  // Load the DOS kernel
         {
-            BOOLEAN Success;
+            BOOLEAN Success = FALSE;
             HANDLE  hDosKernel;
             ULONG   ulDosKernelSize = 0;