diff --git a/pkgs/build-support/testers/hasPkgConfigModules/tester.nix b/pkgs/build-support/testers/hasPkgConfigModules/tester.nix
index 755559038271..137739a1b48a 100644
--- a/pkgs/build-support/testers/hasPkgConfigModules/tester.nix
+++ b/pkgs/build-support/testers/hasPkgConfigModules/tester.nix
@@ -30,6 +30,7 @@ runCommand testName {
         }
         package.meta;
   } ''
+    touch "$out"
     for moduleName in $moduleNames; do
       echo "checking pkg-config module $moduleName in $buildInputs"
       set +e