diff --git a/OvmfPkg/QemuVideoDxe/Gop.c b/OvmfPkg/QemuVideoDxe/Gop.c
index 0c4dea7fb6..7a9fe208c9 100644
--- a/OvmfPkg/QemuVideoDxe/Gop.c
+++ b/OvmfPkg/QemuVideoDxe/Gop.c
@@ -31,7 +31,14 @@ QemuVideoCompleteModeInfo (
     Info->PixelInformation.ReservedMask = 0;
   } else if (ModeData->ColorDepth == 32) {
     DEBUG ((DEBUG_INFO, "PixelBlueGreenRedReserved8BitPerColor\n"));
-    Info->PixelFormat = PixelBlueGreenRedReserved8BitPerColor;
+    Info->PixelFormat                   = PixelBlueGreenRedReserved8BitPerColor;
+    Info->PixelInformation.RedMask      = 0;
+    Info->PixelInformation.GreenMask    = 0;
+    Info->PixelInformation.BlueMask     = 0;
+    Info->PixelInformation.ReservedMask = 0;
+  } else {
+    DEBUG ((DEBUG_ERROR, "%a: Invalid ColorDepth %u", __FUNCTION__, ModeData->ColorDepth));
+    ASSERT (FALSE);
   }
 
   Info->PixelsPerScanLine = Info->HorizontalResolution;