diff --git a/src/V3Simulate.h b/src/V3Simulate.h
index d7f1ff643..007e50ca1 100644
--- a/src/V3Simulate.h
+++ b/src/V3Simulate.h
@@ -1151,7 +1151,8 @@ private:
         if (funcp->recursive()) {
             if (m_recurseCount >= v3Global.opt.funcRecursionDepth()) {
                 clearOptimizable(funcp, "Constant function recursed more than "s
-                                            + std::to_string(v3Global.opt.funcRecursionDepth()) + " times");
+                                            + std::to_string(v3Global.opt.funcRecursionDepth())
+                                            + " times");
                 return;
             }
             ++m_recurseCount;
diff --git a/test_regress/t/t_func_recurse_depth.py b/test_regress/t/t_func_recurse_depth.py
old mode 100644
new mode 100755