diff --git a/pkgs/applications/networking/irc/communi/default.nix b/pkgs/applications/networking/irc/communi/default.nix
index 65a526b88af4..312fd8df908a 100644
--- a/pkgs/applications/networking/irc/communi/default.nix
+++ b/pkgs/applications/networking/irc/communi/default.nix
@@ -29,6 +29,8 @@ stdenv.mkDerivation rec {
 
   postInstall = ''
     wrapQtProgram "$out/bin/communi"
+    substituteInPlace "$out/share/applications/communi.desktop" \
+      --replace "/usr/bin" "$out/bin"
   '';
 
   meta = with stdenv.lib; {