diff --git a/dist-build/osx.sh b/dist-build/osx.sh
index e648b30e..b238e2c7 100755
--- a/dist-build/osx.sh
+++ b/dist-build/osx.sh
@@ -1,7 +1,7 @@
 #! /bin/sh
 
-export CFLAGS="-mmacosx-version-min=10.8"
-export LDFLAGS="-mmacosx-version-min=10.8"
+export CFLAGS="-mmacosx-version-min=10.8 -march=core2 -O2 -g"
+export LDFLAGS="-mmacosx-version-min=10.8 -march=core2 -O2 -g"
 
 ./configure --with-included-ltdl \
             --enable-plugins \