diff --git a/home/roles/communication/default.nix b/home/roles/communication/default.nix
index ea09995..106c06b 100644
--- a/home/roles/communication/default.nix
+++ b/home/roles/communication/default.nix
@@ -20,7 +20,7 @@ in
       pkgs.element-desktop
       # Re-enabled in 25.11 after security issues were resolved
       pkgs.fluffychat
-      pkgs.nextcloud-talk-desktop
+      pkgs.custom.nextcloud-talk-desktop
     ];
   };
 }
diff --git a/packages/default.nix b/packages/default.nix
index 495543a..8741ddc 100644
--- a/packages/default.nix
+++ b/packages/default.nix
@@ -6,4 +6,5 @@
   mcrcon-rbw = pkgs.callPackage ./mcrcon-rbw {};
   rclone-torbox-setup = pkgs.callPackage ./rclone-torbox-setup {};
   pi-coding-agent = pkgs.callPackage ./pi-coding-agent {};
+  nextcloud-talk-desktop = pkgs.callPackage ./nextcloud-talk-desktop {};
 }
diff --git a/packages/nextcloud-talk-desktop/default.nix b/packages/nextcloud-talk-desktop/default.nix
new file mode 100644
index 0000000..8cb82de
--- /dev/null
+++ b/packages/nextcloud-talk-desktop/default.nix
@@ -0,0 +1,60 @@
+# Patched Nextcloud Talk Desktop with Wayland screen sharing support
+# Applies the core change from upstream draft PR #1022:
+# https://github.com/nextcloud/talk-desktop/pull/1022
+#
+# Patches the webpack bundle in app.asar to add setDisplayMediaRequestHandler
+# with useSystemPicker: true, enabling native PipeWire/portal-based
+# screen sharing on Wayland (Sway, Hyprland, etc.)
+{ lib
+, nextcloud-talk-desktop
+, nodejs
+, asar
+}:
+
+nextcloud-talk-desktop.overrideAttrs (old: {
+  pname = "nextcloud-talk-desktop-patched";
+
+  nativeBuildInputs = (old.nativeBuildInputs or []) ++ [ asar nodejs ];
+
+  # Patch the asar after the main installPhase creates the output
+  postFixup = (old.postFixup or "") + ''
+    echo "Patching app.asar for Wayland screen sharing..."
+    ASAR_PATH="$out/opt/Nextcloud Talk-linux-x64/resources/app.asar"
+
+    WORK=$(mktemp -d)
+    asar extract "$ASAR_PATH" "$WORK/app"
+
+    # In the webpack bundle:
+    #   session = l, desktopCapturer = a, app = n
+    # We inject setDisplayMediaRequestHandler right after n.whenReady().then((async()=>{
+    # useSystemPicker: true makes Electron use the native system picker
+    # (PipeWire/xdg-desktop-portal on Wayland)
+    node -e "
+      const fs = require('fs');
+      const p = '$WORK/app/.webpack/main/index.js';
+      let c = fs.readFileSync(p, 'utf8');
+
+      if (c.includes('setDisplayMediaRequestHandler')) {
+        console.log('Already patched');
+        process.exit(0);
+      }
+
+      const marker = 'n.whenReady().then((async()=>{';
+      const idx = c.indexOf(marker);
+      if (idx === -1) {
+        console.error('ERROR: Could not find whenReady marker in webpack bundle');
+        process.exit(1);
+      }
+
+      // Inject after the marker
+      const injection = 'l.defaultSession.setDisplayMediaRequestHandler(async(e,t)=>{const s=await a.getSources({types:[\"screen\",\"window\"]});s.length>0?t({video:s[0]}):t({})},{useSystemPicker:!0});';
+
+      c = c.slice(0, idx + marker.length) + injection + c.slice(idx + marker.length);
+      fs.writeFileSync(p, c, 'utf8');
+      console.log('Successfully patched main bundle for Wayland screen sharing');
+    "
+
+    asar pack "$WORK/app" "$ASAR_PATH"
+    rm -rf "$WORK"
+  '';
+})