diff --git a/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcDhcp.c b/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcDhcp.c
index 3849613528..eac955cd71 100644
--- a/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcDhcp.c
+++ b/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcDhcp.c
@@ -1656,7 +1656,7 @@ PxeBcSelectBootPrompt (
   Status = gBS->SetTimer (
                   TimeoutEvent,
                   TimerRelative,
-                  Timeout * TICKS_PER_SECOND
+                  MultU64x32 (Timeout, TICKS_PER_SECOND)
                   );
 
   if (EFI_ERROR (Status)) {