diff --git a/dist-build/osx.sh b/dist-build/osx.sh
index 3e126d93..f087da6c 100755
--- a/dist-build/osx.sh
+++ b/dist-build/osx.sh
@@ -6,8 +6,8 @@ export OSX_CPU_ARCH=${OSX_CPU_ARCH-"core2"}
 
 mkdir -p $PREFIX || exit 1
 
-export CFLAGS="-arch x86_64 -mmacosx-version-min=${OSX_VERSION_MIN} -march=${OSX_CPU_ARCH} -O2 -g"
-export LDFLAGS="-arch x86_64 -mmacosx-version-min=${OSX_VERSION_MIN} -march=${OSX_CPU_ARCH}"
+export CFLAGS="-arch x86_64 -mmacosx-version-min=${OSX_VERSION_MIN} -march=${OSX_CPU_ARCH} -O2 -g -flto"
+export LDFLAGS="-arch x86_64 -mmacosx-version-min=${OSX_VERSION_MIN} -march=${OSX_CPU_ARCH} -flto"
 
 make distclean > /dev/null