diff --git a/apps/web/src/app/api/github/repositories/route.ts b/apps/web/src/app/api/github/repositories/route.ts
index dcf66be0..5d94e683 100644
--- a/apps/web/src/app/api/github/repositories/route.ts
+++ b/apps/web/src/app/api/github/repositories/route.ts
@@ -97,6 +97,8 @@ export async function GET(request: NextRequest) {
       html_url: repo.html_url,
       default_branch: repo.default_branch,
       permissions: repo.permissions,
+      fork: repo.fork,
+      has_issues: repo.has_issues,
     }));
 
     return NextResponse.json({
diff --git a/apps/web/src/components/github/forked-repository-banner.tsx b/apps/web/src/components/github/forked-repository-banner.tsx
new file mode 100644
index 00000000..785b1176
--- /dev/null
+++ b/apps/web/src/components/github/forked-repository-banner.tsx
@@ -0,0 +1,57 @@
+"use client";
+
+import { AlertTriangle } from "lucide-react";
+import { Alert, AlertTitle, AlertDescription } from "@/components/ui/alert";
+import { useGitHubAppProvider } from "@/providers/GitHubApp";
+import { repoHasIssuesEnabled } from "@/lib/repo-has-issues";
+
+const GITHUB_DOCS_LINK_ENABLING_ISSUES =
+  "https://docs.github.com/en/repositories/managing-your-repositorys-settings-and-features/enabling-features-for-your-repository/disabling-issues";
+
+export function IssuesRequiredBanner() {
+  const { selectedRepository, repositories } = useGitHubAppProvider();
+
+  const currentRepo = repositories.find(
+    (repo) =>
+      selectedRepository &&
+      repo.full_name ===
+        `${selectedRepository.owner}/${selectedRepository.repo}`,
+  );
+
+  // If the repo has issues enabled, we support it.
+  if (
+    !selectedRepository ||
+    !currentRepo ||
+    repoHasIssuesEnabled(currentRepo)
+  ) {
+    return null;
+  }
+
+  return (
+    <Alert
+      variant="warning"
+      className="relative"
+    >
+      <AlertTriangle className="h-4 w-4" />
+      <AlertTitle>Issues Must Be Enabled</AlertTitle>
+      <AlertDescription>
+        <p>
+          Open SWE requires issues to be enabled on the repository. Please
+          enable issues on the repository to use Open SWE.
+        </p>
+        <p>
+          See{" "}
+          <a
+            className="font-semibold underline underline-offset-2"
+            href={GITHUB_DOCS_LINK_ENABLING_ISSUES}
+            target="_blank"
+          >
+            here
+          </a>{" "}
+          for how to enable issues (docs show how to disable them, but the
+          process is the same).
+        </p>
+      </AlertDescription>
+    </Alert>
+  );
+}
diff --git a/apps/web/src/components/v2/default-view.tsx b/apps/web/src/components/v2/default-view.tsx
index 9942d14d..2cc03b87 100644
--- a/apps/web/src/components/v2/default-view.tsx
+++ b/apps/web/src/components/v2/default-view.tsx
@@ -17,6 +17,7 @@ import { ThemeToggle } from "../theme-toggle";
 import { ThreadCard, ThreadCardLoading } from "./thread-card";
 import { GitHubInstallationBanner } from "../github/installation-banner";
 import { ApiKeyBanner } from "../api-key-banner";
+import { IssuesRequiredBanner } from "../github/forked-repository-banner";
 import { QuickActions } from "./quick-actions";
 import { DraftsSection } from "./drafts-section";
 import { MANAGER_GRAPH_ID } from "@open-swe/shared/constants";
@@ -142,6 +143,7 @@ export function DefaultView({ threads, threadsLoading }: DefaultViewProps) {
         <div className="mx-auto max-w-4xl space-y-6 p-4">
           <GitHubInstallationBanner />
           <ApiKeyBanner />
+          <IssuesRequiredBanner />
           {/* Terminal Chat Input */}
           <Card
             className={cn(
diff --git a/apps/web/src/components/v2/terminal-input.tsx b/apps/web/src/components/v2/terminal-input.tsx
index c41f1a0c..f1e4d127 100644
--- a/apps/web/src/components/v2/terminal-input.tsx
+++ b/apps/web/src/components/v2/terminal-input.tsx
@@ -23,6 +23,7 @@ import { useDraftStorage } from "@/hooks/useDraftStorage";
 import { hasApiKeySet } from "@/lib/api-keys";
 import { useUser } from "@/hooks/useUser";
 import { isAllowedUser } from "@open-swe/shared/github/allowed-users";
+import { repoHasIssuesEnabled } from "@/lib/repo-has-issues";
 
 interface TerminalInputProps {
   placeholder?: string;
@@ -74,7 +75,7 @@ export function TerminalInput({
   const { push } = useRouter();
   const { message, setMessage, clearCurrentDraft } = useDraftStorage();
   const { getConfig } = useConfigStore();
-  const { selectedRepository } = useGitHubAppProvider();
+  const { selectedRepository, repositories } = useGitHubAppProvider();
   const [loading, setLoading] = useState(false);
   const { user, isLoading: isUserLoading } = useUser();
 
@@ -112,6 +113,24 @@ export function TerminalInput({
       return;
     }
 
+    const selectedRepo = repositories.find(
+      (repo) =>
+        repo.full_name ===
+        `${selectedRepository.owner}/${selectedRepository.repo}`,
+    );
+    const issuesDisabled = selectedRepo && !repoHasIssuesEnabled(selectedRepo);
+    if (issuesDisabled) {
+      toast.error(
+        "Open SWE requires issues to be enabled on the repository. Please enable issues on the repository to use Open SWE.",
+        {
+          richColors: true,
+          closeButton: true,
+          duration: 30_000,
+        },
+      );
+      return;
+    }
+
     setLoading(true);
 
     const trimmedMessage = message.trim();
diff --git a/apps/web/src/lib/repo-has-issues.ts b/apps/web/src/lib/repo-has-issues.ts
new file mode 100644
index 00000000..6015c250
--- /dev/null
+++ b/apps/web/src/lib/repo-has-issues.ts
@@ -0,0 +1,10 @@
+import { Repository } from "@/utils/github";
+
+/**
+ * Returns true if the repository has issues enabled
+ * @param repo The repository to check
+ * @returns True if the repository has issues enabled
+ */
+export function repoHasIssuesEnabled(repo: Repository): boolean {
+  return repo.has_issues;
+}
diff --git a/apps/web/src/utils/github.ts b/apps/web/src/utils/github.ts
index 8ae070e3..063d737a 100644
--- a/apps/web/src/utils/github.ts
+++ b/apps/web/src/utils/github.ts
@@ -203,6 +203,7 @@ export interface Repository {
   full_name: string;
   description: string | null;
   private: boolean;
+  fork: boolean;
   html_url: string;
   default_branch: string;
   permissions: {
@@ -212,6 +213,7 @@ export interface Repository {
     triage: boolean;
     pull: boolean;
   };
+  has_issues: boolean;
 }
 
 /**