diff --git a/pkgs/development/libraries/science/math/openlibm/default.nix b/pkgs/development/libraries/science/math/openlibm/default.nix
index b79f1b0b604c..4ee82bc0633e 100644
--- a/pkgs/development/libraries/science/math/openlibm/default.nix
+++ b/pkgs/development/libraries/science/math/openlibm/default.nix
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
     sha256 = "sha256-EnpwYtBpY+s5FVI2jhaFHTtAKHeaRlZVnWE/o2T1+FY=";
   };
 
-  makeFlags = [ "prefix=$(out)" ];
+  makeFlags = [ "prefix=$(out)" "CC=${stdenv.cc.targetPrefix}cc" ];
 
   meta = {
     description = "High quality system independent, portable, open source libm implementation";