diff --git a/ShellPkg/Application/Shell/ShellManParser.c b/ShellPkg/Application/Shell/ShellManParser.c
index ce471cffda..f12775f865 100644
--- a/ShellPkg/Application/Shell/ShellManParser.c
+++ b/ShellPkg/Application/Shell/ShellManParser.c
@@ -564,6 +564,8 @@ IsTitleHeader(
         Line++;
       break;
 
+      default:
+       break;
     }
 
   } while (State < Final);