diff --git a/pkgs/applications/blockchains/cryptop/default.nix b/pkgs/applications/blockchains/cryptop/default.nix
index 3537243de857..07430c794792 100644
--- a/pkgs/applications/blockchains/cryptop/default.nix
+++ b/pkgs/applications/blockchains/cryptop/default.nix
@@ -25,7 +25,7 @@ python3Packages.buildPythonApplication rec {
   meta = {
     homepage = "https://github.com/huwwp/cryptop";
     description = "Command line Cryptocurrency Portfolio";
-    license = with lib.licenses; [ mit ];
+    license = lib.licenses.mit;
     maintainers = with lib.maintainers; [ bhipple ];
     mainProgram = "cryptop";
   };