1 files changed, 1 insertions, 1 deletions
diff --git a/pkgs/development/tools/ineffassign/default.nix b/pkgs/development/tools/ineffassign/default.nix
index 0d0f6824ce770..2158095775239 100644
--- a/pkgs/development/tools/ineffassign/default.nix
+++ b/pkgs/development/tools/ineffassign/default.nix
@@ -9,7 +9,7 @@ buildGoPackage rec {
   rev = "1003c8bd00dc2869cb5ca5282e6ce33834fed514";
 
   goPackagePath = "github.com/gordonklaus/ineffassign";
-  excludedPackages = ''testdata'';
+  excludedPackages = "testdata";
 
   src = fetchFromGitHub {
     inherit rev;