diff --git a/configs/linux-debug b/configs/linux-debug
index fe744cfc511..bc6d2336fc3 100644
--- a/configs/linux-debug
+++ b/configs/linux-debug
@@ -4,5 +4,5 @@ include $(TOP)/configs/linux
 
 CONFIG_NAME = linux-debug
 
-OPT_FLAGS = -g
+OPT_FLAGS = -g -ansi -pedantic
 DEFINES += -DDEBUG -DDEBUG_MATH