diff --git a/Changelog.txt b/Changelog.txt
index a173dbfb12..aa7644d19d 100644
--- a/Changelog.txt
+++ b/Changelog.txt
@@ -1,5 +1,6 @@
 Date	Added
 11/15
+	* Added -ffast-math argument to makefile to increase performance, thanks to kashy. [Valaris]
 	* Added small and big mob sprite spawning. [Valaris]
 	  -Added @monstersmall and @monsterbig commands.
 	  -For using in scripts, use id +2000 for small and id +4000 for big.
diff --git a/Makefile b/Makefile
index 2f0b29f4ed..9317bdcf80 100644
--- a/Makefile
+++ b/Makefile
@@ -16,7 +16,7 @@ else
 MAKE = make
 endif
 
-OPT = -g -O2
+OPT = -g -O2 -ffast-math
 
 ifeq ($(findstring CYGWIN,$(PLATFORM)), CYGWIN)
 OS_TYPE = -DCYGWIN