diff --git a/pkgs/applications/misc/taskwarrior/default.nix b/pkgs/applications/misc/taskwarrior/default.nix
index 841e0a494e48..74ef55ee8cc8 100644
--- a/pkgs/applications/misc/taskwarrior/default.nix
+++ b/pkgs/applications/misc/taskwarrior/default.nix
@@ -18,8 +18,8 @@ stdenv.mkDerivation rec {
   postInstall = ''
     mkdir -p "$out/share/bash-completion/completions"
     ln -s "../../doc/task/scripts/bash/task.sh" "$out/share/bash-completion/completions/"
-    mkdir -p "$out/etc/fish/completions"
-    ln -s "../../../share/doc/task/scripts/fish/task.fish" "$out/etc/fish/completions/"
+    mkdir -p "$out/share/fish/vendor_completions.d"
+    ln -s "../../../share/doc/task/scripts/fish/task.fish" "$out/share/fish/vendor_completions.d/"
   '';
 
   meta = with stdenv.lib; {