diff --git a/pkgs/by-name/fr/freetype/package.nix b/pkgs/by-name/fr/freetype/package.nix
index 13beff64c85a..afb049495a17 100644
--- a/pkgs/by-name/fr/freetype/package.nix
+++ b/pkgs/by-name/fr/freetype/package.nix
@@ -82,13 +82,15 @@ stdenv.mkDerivation (finalAttrs: {
     "--enable-freetype-config"
   ];
 
-  # native compiler to generate building tool
-  CC_BUILD = "${buildPackages.stdenv.cc}/bin/cc";
+  env = {
+    # native compiler to generate building tool
+    CC_BUILD = "${buildPackages.stdenv.cc}/bin/cc";
 
-  # The asm for armel is written with the 'asm' keyword.
-  CFLAGS =
-    lib.optionalString stdenv.hostPlatform.isAarch32 "-std=gnu99"
-    + lib.optionalString stdenv.hostPlatform.is32bit " -D_FILE_OFFSET_BITS=64";
+    # The asm for armel is written with the 'asm' keyword.
+    CFLAGS =
+      lib.optionalString stdenv.hostPlatform.isAarch32 "-std=gnu99"
+      + lib.optionalString stdenv.hostPlatform.is32bit " -D_FILE_OFFSET_BITS=64";
+  };
 
   enableParallelBuilding = true;