diff --git a/buildosx b/buildosx
index 3a40ad2dbd3..3ca7c802652 100755
--- a/buildosx
+++ b/buildosx
@@ -1,7 +1,7 @@
 #!/bin/sh
 export MACOSX_DEPLOYMENT_TARGET=10.8
 export CFLAGS="-arch x86_64"
-export FFLAGS="-static -ff2c"
+export FFLAGS="-static -ff2c -arch x86_64"
 export LDFLAGS="-Wall -undefined dynamic_lookup -bundle -arch x86_64"
 export PYTHONPATH="/Library/Python/2.7/site-packages/"
 export CC=gcc-4.2
@@ -10,4 +10,4 @@ rm -rf build
 python setupegg.py egg_info -d -r config_fc --fcompiler gfortran build
 #sudo python setup.py install
 python setupegg.py bdist_egg
-# sudo python setupegg.py develop
\ No newline at end of file
+# sudo python setupegg.py develop