diff --git a/lldb/test/API/lang/cpp/stl/Makefile b/lldb/test/API/lang/cpp/stl/Makefile
index 4617d67aca299..3c20771e6dba6 100644
--- a/lldb/test/API/lang/cpp/stl/Makefile
+++ b/lldb/test/API/lang/cpp/stl/Makefile
@@ -1,4 +1,5 @@
 CXX_SOURCES := main.cpp
-CFLAGS := -g -O0
+
+DEBUG_INFO_FLAG := -gdwarf -O0
 
 include Makefile.rules