diff --git a/configs/linux-x86-64-debug b/configs/linux-x86-64-debug
index 46e72c990af..6f631c0e879 100644
--- a/configs/linux-x86-64-debug
+++ b/configs/linux-x86-64-debug
@@ -4,4 +4,5 @@ include $(TOP)/configs/linux-x86-64
 
 CONFIG_NAME = linux-x86-64-debug
 
+OPT_FLAGS = -g
 DEFINES += -DDEBUG -DDEBUG_MATH