diff --git a/include/fmt/format.h b/include/fmt/format.h
index 7b52f782..0215a0a7 100644
--- a/include/fmt/format.h
+++ b/include/fmt/format.h
@@ -2874,6 +2874,8 @@ FMT_CONSTEXPR const Char* parse_align(const Char* begin, const Char* end,
     case '^':
       align = align::center;
       break;
+    default:
+      break;
     }
     if (align != align::none) {
       if (p != begin) {
@@ -2963,6 +2965,8 @@ FMT_CONSTEXPR_DECL FMT_INLINE const Char* parse_format_specs(
     handler.on_space();
     ++begin;
     break;
+  default:
+    break;
   }
   if (begin == end) return begin;