diff --git a/GLFW-b.cabal b/GLFW-b.cabal
--- a/GLFW-b.cabal
+++ b/GLFW-b.cabal
@@ -1,5 +1,5 @@
 name:         GLFW-b
-version:      0.0.2.9
+version:      0.0.2.10
 
 category:     Graphics
 
diff --git a/Makefile b/Makefile
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,7 @@
              putStrLn . unwords . read . Data.Maybe.fromJust . lookup \
              \"Gcc Linker flags\"")
 FRAMEWORK := -framework Cocoa -framework OpenGL
-GLFW_FLAG := $(GCCFLAGS) -O2 -fno-common -Iglfw/include -Iglfw/lib    \
+GLFW_FLAG := $(GCCFLAGS) -O2 -msse2 -fno-common -Iglfw/include -Iglfw/lib    \
              -Iglfw/lib/cocoa $(CFLAGS)
 SRC_DIR   := glfw/lib/cocoa
 GLFW_DIR  := glfw/lib