diff --git a/spec/helpers/load_language.cc b/spec/helpers/load_language.cc
index c58af0d9..6d623b03 100644
--- a/spec/helpers/load_language.cc
+++ b/spec/helpers/load_language.cc
@@ -78,6 +78,7 @@ const TSLanguage *load_language(const string &name, const string &code) {
     compiler_name,
     "-x", "c",
     "-fPIC",
+    "-g",
     "-I", header_dir.c_str(),
     "-c", source_filename.c_str(),
     "-o", obj_filename.c_str(),