diff --git a/pkgs/applications/editors/vscode/extensions/redhat.vscode-xml/default.nix b/pkgs/applications/editors/vscode/extensions/redhat.vscode-xml/default.nix
index 7748faff86b1..f170c1a44f87 100644
--- a/pkgs/applications/editors/vscode/extensions/redhat.vscode-xml/default.nix
+++ b/pkgs/applications/editors/vscode/extensions/redhat.vscode-xml/default.nix
@@ -28,8 +28,7 @@ vscode-utils.buildVscodeMarketplaceExtension {
       name = "vscode-xml";
       version = "0.29.0";
     }
-    // sources.${stdenvNoCC.hostPlatform.system}
-      or (throw "Unsupported system ${stdenvNoCC.hostPlatform.system}");
+    // sources.${stdenvNoCC.hostPlatform.system} or { };
 
   passthru.updateScript = vscode-extension-update-script {
     extraArgs = [