diff --git a/src/Checker.cc b/src/Checker.cc
index 09a3a887c..90716ddfd 100644
--- a/src/Checker.cc
+++ b/src/Checker.cc
@@ -730,6 +730,7 @@ namespace bolt {
           default:
             ZEN_UNREACHABLE
         }
+        break;
       }
 
       case NodeKind::NestedExpression: