diff --git a/DuetPkg/FSVariable/FSVariable.c b/DuetPkg/FSVariable/FSVariable.c
index a8286ad9b9..70da3907b8 100644
--- a/DuetPkg/FSVariable/FSVariable.c
+++ b/DuetPkg/FSVariable/FSVariable.c
@@ -704,6 +704,11 @@ GetLangFromSupportedLangCodes (
         return CopyMem (mGlobal->PlatformLang, Supported - CompareLength, CompareLength);
       }
       SubIndex++;
+
+      //
+      // Skip ';' characters in Supported
+      //
+      for (; *Supported != '\0' && *Supported == ';'; Supported++);
     }
   }
 }