diff --git a/src/binding.cpp b/src/binding.cpp
index abf298fcf..cb9ed132c 100644
--- a/src/binding.cpp
+++ b/src/binding.cpp
@@ -113,6 +113,7 @@ int ExtractOptions(v8::Local<v8::Object> options, void* cptr, sass_context_wrapp
   sass_option_set_precision(sass_options, Nan::To<int32_t>(Nan::Get(options, Nan::New("precision").ToLocalChecked()).ToLocalChecked()).FromJust());
   sass_option_set_indent(sass_options, ctx_w->indent);
   sass_option_set_linefeed(sass_options, ctx_w->linefeed);
+  sass_option_push_import_extension(sass_options, ".css");
 
   v8::Local<v8::Value> importer_callback = Nan::Get(options, Nan::New("importer").ToLocalChecked()).ToLocalChecked();