diff --git a/flake.nix b/flake.nix
index 429be191e..60d525cb4 100644
--- a/flake.nix
+++ b/flake.nix
@@ -375,6 +375,7 @@
 
             doInstallCheck = true;
             installCheckFlags = "sysconfdir=$(out)/etc";
+            installCheckTarget = "installcheck"; # work around buggy detection in stdenv
 
             separateDebugInfo = !currentStdenv.hostPlatform.isStatic;