2 files changed, 3 insertions, 2 deletions
diff --git a/pkgs/applications/networking/instant-messengers/slack/dark-theme.nix b/pkgs/applications/networking/instant-messengers/slack/dark-theme.nix
index c24e2c4301e0d..58cc7a220b928 100644
--- a/pkgs/applications/networking/instant-messengers/slack/dark-theme.nix
+++ b/pkgs/applications/networking/instant-messengers/slack/dark-theme.nix
@@ -3,7 +3,7 @@
 stdenv.mkDerivation rec {
   rev = "e2a6a9cd9da70175881ab991220c86aa87179509";
   version = "2019-07-26";
-  name = "slack-theme-black-${version}";
+  pname = "slack-theme-black";
 
   src = fetchgit { inherit rev;
     url = "https://github.com/laCour/slack-night-mode";
diff --git a/pkgs/applications/networking/instant-messengers/slack/default.nix b/pkgs/applications/networking/instant-messengers/slack/default.nix
index 94c02ab0226a4..fab9c28ec9738 100644
--- a/pkgs/applications/networking/instant-messengers/slack/default.nix
+++ b/pkgs/applications/networking/instant-messengers/slack/default.nix
@@ -57,7 +57,8 @@ let
       throw "Slack is not supported on ${stdenv.hostPlatform.system}";
 
 in stdenv.mkDerivation {
-  name = "slack-${version}";
+  pname = "slack";
+  inherit version;
 
   inherit src;