diff --git a/src/compiler/graph-visualizer.cc b/src/compiler/graph-visualizer.cc
index 3d5b33657..583adf638 100644
--- a/src/compiler/graph-visualizer.cc
+++ b/src/compiler/graph-visualizer.cc
@@ -294,7 +294,7 @@ void JsonPrintAllSourceWithPositionsWasm(
   os << "\"inlinings\": {";
   for (size_t i = 0; i < positions.size(); ++i) {
     if (i != 0) os << ", ";
-    DCHECK(source_map.contains(positions[i].inlinee_func_index));
+    DCHECK(source_map.find(positions[i].inlinee_func_index) != source_map.end());
     size_t source_id = source_map.find(positions[i].inlinee_func_index)->second;
     SourcePosition inlining_pos = positions[i].caller_pos;
     os << '"' << i << "\": {\"inliningId\": " << i