diff --git a/CHANGES/2670.bug b/CHANGES/2670.bug
new file mode 100644
index 0000000000..31fe48d821
--- /dev/null
+++ b/CHANGES/2670.bug
@@ -0,0 +1 @@
+Fix dispatch page filter param
diff --git a/src/containers/not-found/dispatch.tsx b/src/containers/not-found/dispatch.tsx
index af7d0c0322..10240a218a 100644
--- a/src/containers/not-found/dispatch.tsx
+++ b/src/containers/not-found/dispatch.tsx
@@ -46,7 +46,7 @@ export const Dispatch = (props: RouteProps) => {
       .catch(() => setCollections([]));
 
     if (featureFlags.legacy_roles) {
-      LegacyRoleAPI.list({ username: namespace, name })
+      LegacyRoleAPI.list({ github_user: namespace, name })
         .then(({ data: { results } }) => setRoles(results || []))
         .catch(() => setRoles([]));
     }