diff --git a/pkgs/applications/networking/instant-messengers/slack/default.nix b/pkgs/applications/networking/instant-messengers/slack/default.nix
index bb2f64212fc0..f524dec3ef1e 100644
--- a/pkgs/applications/networking/instant-messengers/slack/default.nix
+++ b/pkgs/applications/networking/instant-messengers/slack/default.nix
@@ -172,8 +172,7 @@ let
       makeWrapper $out/lib/slack/slack $out/bin/slack \
         --prefix XDG_DATA_DIRS : $GSETTINGS_SCHEMAS_PATH \
         --suffix PATH : ${lib.makeBinPath [xdg-utils]} \
-        --add-flags "\''${NIXOS_OZONE_WL:+\''${WAYLAND_DISPLAY:+--ozone-platform-hint=auto --enable-features=WaylandWindowDecorations}}" \
-        --add-flags "\''${WAYLAND_DISPLAY:+--enable-features=WebRTCPipeWireCapturer}"
+        --add-flags "\''${NIXOS_OZONE_WL:+\''${WAYLAND_DISPLAY:+--ozone-platform-hint=auto --enable-features=WaylandWindowDecorations,WebRTCPipeWireCapturer}}"
 
       # Fix the desktop link
       substituteInPlace $out/share/applications/slack.desktop \