diff --git a/Makefile b/Makefile
index e9e6a76..0b3e109 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-CFLAGS = -g -Wall -O3 -D_GNU_SOURCE
+CFLAGS = -g -Wall -O3 -D_GNU_SOURCE -DNDEBUG
 LDFLAGS+=-lm
 
 .PHONY: all clean run