diff --git a/ots.target.linux-x86_64.mk b/ots.target.linux-x86_64.mk
index cc52434..0800ba2 100644
--- a/ots.target.linux-x86_64.mk
+++ b/ots.target.linux-x86_64.mk
@@ -87,6 +87,7 @@
 	-Wno-unused-but-set-variable \
 	-Os \
 	-g \
+	-gdwarf-4 \
 	-fdata-sections \
 	-ffunction-sections \
 	-fomit-frame-pointer \