1 files changed, 4 insertions, 2 deletions
diff --git a/src/ir/ExpressionManipulator.cpp b/src/ir/ExpressionManipulator.cpp
index 6d35ef97f..fcdfdf152 100644
--- a/src/ir/ExpressionManipulator.cpp
+++ b/src/ir/ExpressionManipulator.cpp
@@ -34,11 +34,13 @@ flexibleCopy(Expression* original, Module& wasm, CustomCopier custom) {
       : wasm(wasm), custom(custom), builder(wasm) {}
 
     Expression* copy(Expression* curr) {
-      if (!curr)
+      if (!curr) {
         return nullptr;
+      }
       auto* ret = custom(curr);
-      if (ret)
+      if (ret) {
         return ret;
+      }
       return Visitor<Copier, Expression*>::visit(curr);
     }