diff --git a/reactos/subsystems/mvdm/ntvdm/dos/dos32krnl/memory.c b/reactos/subsystems/mvdm/ntvdm/dos/dos32krnl/memory.c
index 1d20673390e..18a28ce0e92 100644
--- a/reactos/subsystems/mvdm/ntvdm/dos/dos32krnl/memory.c
+++ b/reactos/subsystems/mvdm/ntvdm/dos/dos32krnl/memory.c
@@ -131,6 +131,7 @@ Next:
             {
                 /* Search low memory */
                 Segment = FIRST_MCB_SEGMENT;
+                SearchUmb = FALSE;
                 continue;
             }