diff --git a/pkgs/build-support/testers/hasPkgConfigModules/tester.nix b/pkgs/build-support/testers/hasPkgConfigModules/tester.nix
index 3d4ded812f75e..5b3e6a397f828 100644
--- a/pkgs/build-support/testers/hasPkgConfigModules/tester.nix
+++ b/pkgs/build-support/testers/hasPkgConfigModules/tester.nix
@@ -4,7 +4,7 @@
 # Tester arguments
 { package,
   moduleNames ? package.meta.pkgConfigModules,
-  testName ? "check-pkg-config-${lib.concatStringsSep "-" moduleNames}",
+  testName ? "check-pkg-config-${package.pname or package.name}",
   version ? package.version or null,
   versionCheck ? false,
 }: