diff --git a/pkgs/by-name/te/temporal_capi/package.nix b/pkgs/by-name/te/temporal_capi/package.nix
index 7b7c7c4bc96dc..1913a182cad9f 100644
--- a/pkgs/by-name/te/temporal_capi/package.nix
+++ b/pkgs/by-name/te/temporal_capi/package.nix
@@ -5,6 +5,7 @@
   fetchFromGitHub,
   nix-update-script,
   testers,
+  validatePkgConfig,
 }:
 
 rustPlatform.buildRustPackage (finalAttrs: {
@@ -34,6 +35,7 @@ rustPlatform.buildRustPackage (finalAttrs: {
     "--features"
     "zoneinfo64,compiled_data"
   ];
+  nativeBuildInputs = [ validatePkgConfig ];
 
   installPhase = ''
     runHook preInstall
@@ -84,7 +86,6 @@ rustPlatform.buildRustPackage (finalAttrs: {
   passthru.tests = {
     pkg-config = testers.hasPkgConfigModules {
       package = finalAttrs.finalPackage;
-      moduleNames = [ "temporal_capi" ];
     };
     updateScript = nix-update-script { };
   };
@@ -98,5 +99,6 @@ rustPlatform.buildRustPackage (finalAttrs: {
       mit
     ];
     maintainers = with lib.maintainers; [ aduh95 ];
+    pkgConfigModules = [ "temporal_capi" ];
   };
 })