diff --git a/Makefile b/Makefile
index 9c94cfe..be27910 100644
--- a/Makefile
+++ b/Makefile
@@ -91,7 +91,7 @@ endif
 
 
 DEFINES = 
-CFLAGS = -g -ggdb $(FLAGS2) $(INCLUDES) $(DEFINES) -Wall -O2
+CFLAGS = $(FLAGS2) $(INCLUDES) $(DEFINES) -Wall -Os -static
 .SUFFIXES: .c .cpp
 
 all: bin/masscan