diff --git a/pkgs/development/libraries/science/math/openblas/default.nix b/pkgs/development/libraries/science/math/openblas/default.nix
index 0cc79f6b44b..3893875a234 100644
--- a/pkgs/development/libraries/science/math/openblas/default.nix
+++ b/pkgs/development/libraries/science/math/openblas/default.nix
@@ -54,7 +54,7 @@ stdenv.mkDerivation {
   makeFlags =
     (if local then localFlags else genericFlags)
     ++
-    optionals stdenv.isDarwin ["MACOSX_DEPLOYMENT_TARGET=10.9"]
+    optionals stdenv.isDarwin ["MACOSX_DEPLOYMENT_TARGET=10.7"]
     ++
     [
       "FC=gfortran"