diff --git a/Makefile b/Makefile
index df0fe8809456..94036e9f43e7 100644
--- a/Makefile
+++ b/Makefile
@@ -94,7 +94,7 @@ endif
 
 # CFLAGS for debug
 ifeq ($(DEBUG), 1)
-	CFLAGS += -g -O0
+	CFLAGS += -g -O0 -D_GLIBCXX_ASSERTIONS
 else
 	CFLAGS += -O3 -DNDEBUG=1
 endif