diff --git a/pkgs/by-name/ma/materialize/package.nix b/pkgs/by-name/ma/materialize/package.nix
index b684305768a5..196f6769ed02 100644
--- a/pkgs/by-name/ma/materialize/package.nix
+++ b/pkgs/by-name/ma/materialize/package.nix
@@ -92,7 +92,6 @@ in
 rustPlatform.buildRustPackage rec {
   pname = "materialize";
   version = "0.87.2";
-  MZ_DEV_BUILD_SHA = "000000000000000000000000000000000000000000000000000";
 
   src = fetchFromGitHub {
     owner = "MaterializeInc";
@@ -112,6 +111,7 @@ rustPlatform.buildRustPackage rec {
   '';
 
   env = {
+    MZ_DEV_BUILD_SHA = "000000000000000000000000000000000000000000000000000";
     # needed for internal protobuf c wrapper library
     PROTOC = lib.getExe protobuf;
     PROTOC_INCLUDE = "${protobuf}/include";