diff --git a/src/hotspot/share/opto/phaseX.cpp b/src/hotspot/share/opto/phaseX.cpp
index a4248cb2b91..00b36d0bf43 100644
--- a/src/hotspot/share/opto/phaseX.cpp
+++ b/src/hotspot/share/opto/phaseX.cpp
@@ -780,7 +780,7 @@ void PhaseGVN::dead_loop_check( Node *n ) {
         }
       }
     }
-    if (!no_dead_loop) n->dump_bfs(100,nullptr,"#");
+    if (!no_dead_loop) { n->dump_bfs(100, nullptr, ""); }
     assert(no_dead_loop, "dead loop detected");
   }
 }