diff --git a/ShellPkg/Application/Shell/Shell.c b/ShellPkg/Application/Shell/Shell.c
index 7a7bb1e736..53f1bc3059 100644
--- a/ShellPkg/Application/Shell/Shell.c
+++ b/ShellPkg/Application/Shell/Shell.c
@@ -144,7 +144,7 @@ ContainsSplit(
 {
   CONST CHAR16 *TempSpot;
   TempSpot = FindSplit(CmdLine);
-  return (TempSpot != NULL && *TempSpot != CHAR_NULL);
+  return (BOOLEAN) ((TempSpot != NULL) && (*TempSpot != CHAR_NULL));
 }
 
 /**