diff --git a/src/node_errors.cc b/src/node_errors.cc
index dc6d20b500c655..5099ac03ddf7d6 100644
--- a/src/node_errors.cc
+++ b/src/node_errors.cc
@@ -63,7 +63,7 @@ static std::string GetErrorSource(Isolate* isolate,
   Environment* env = Environment::GetCurrent(isolate);
   const bool has_source_map_url =
       !message->GetScriptOrigin().SourceMapUrl().IsEmpty();
-  if (has_source_map_url && env->source_maps_enabled()) {
+  if (has_source_map_url && env != nullptr && env->source_maps_enabled()) {
     return sourceline;
   }