diff --git a/pkgs/by-name/fb/fbthrift/package.nix b/pkgs/by-name/fb/fbthrift/package.nix
index ee0a5cedc979..c1f330335e53 100644
--- a/pkgs/by-name/fb/fbthrift/package.nix
+++ b/pkgs/by-name/fb/fbthrift/package.nix
@@ -38,10 +38,6 @@ stdenv.mkDerivation (finalAttrs: {
     flex
   ];
 
-  cmakeFlags = [
-    "-DBUILD_SHARED_LIBS=${if stdenv.hostPlatform.isDarwin then "OFF" else "ON"}"
-  ];
-
   buildInputs =
     [
       double-conversion
@@ -62,6 +58,10 @@ stdenv.mkDerivation (finalAttrs: {
       (darwinMinVersionHook "11.0")
     ];
 
+  cmakeFlags = [
+    "-DBUILD_SHARED_LIBS=${if stdenv.hostPlatform.isDarwin then "OFF" else "ON"}"
+  ];
+
   meta = {
     description = "Facebook's branch of Apache Thrift";
     mainProgram = "thrift1";