diff --git a/MdeModulePkg/Universal/Console/ConSplitterDxe/ConSplitterGraphics.c b/MdeModulePkg/Universal/Console/ConSplitterDxe/ConSplitterGraphics.c
index c3e15d4ac9..f70b0765ea 100644
--- a/MdeModulePkg/Universal/Console/ConSplitterDxe/ConSplitterGraphics.c
+++ b/MdeModulePkg/Universal/Console/ConSplitterDxe/ConSplitterGraphics.c
@@ -1130,6 +1130,9 @@ DevNullSyncGopStdOut (
   MaxColumn     = Private->DevNullColumns;
 
   Buffer        = AllocateZeroPool ((MaxColumn + 1) * sizeof (CHAR16));
+  if (Buffer == NULL) {
+    return ReturnStatus;
+  }
 
   for (Row = 0; Row < Private->DevNullRows; Row++, Screen += (MaxColumn + 1), Attributes += MaxColumn) {