diff --git a/CHANGELOG.md b/CHANGELOG.md
index 76dcd736d..48424f725 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,7 +11,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Bumped AI SDK and associated packages version. [#752](https://github.com/sourcebot-dev/sourcebot/pull/752)
 - Bumped Node.js version to v24. [#753](https://github.com/sourcebot-dev/sourcebot/pull/753)
 
-### Fixed
+### Fixes
+- Fix autocomplete when repo includes default port [#762](https://github.com/sourcebot-dev/sourcebot/pull/762)
 - Fixed "Repository not found for file: x" error when searching in orphaned shards. [#761](https://github.com/sourcebot-dev/sourcebot/pull/761)
 
 ## [4.10.12] - 2026-01-16
diff --git a/packages/backend/src/repoCompileUtils.test.ts b/packages/backend/src/repoCompileUtils.test.ts
index 3c80fc62f..89fb61719 100644
--- a/packages/backend/src/repoCompileUtils.test.ts
+++ b/packages/backend/src/repoCompileUtils.test.ts
@@ -99,6 +99,25 @@ describe('compileGenericGitHostConfig_file', () => {
         expect(result.repoData[0].name).toBe('github.com/test/repo');
     });
 
+    test('should include port in repo name when origin url has a port', async () => {
+        mockedGlob.mockResolvedValue(['/path/to/valid/repo']);
+        mockedIsPathAValidGitRepoRoot.mockResolvedValue(true);
+        mockedGetOriginUrl.mockResolvedValue('https://git.kernel.org:443/pub/scm/bluetooth/bluez.git');
+
+        const config = {
+            type: 'git' as const,
+            url: 'file:///path/to/valid/repo',
+        };
+
+        const result = await compileGenericGitHostConfig_file(config, 1);
+
+        expect(result.repoData).toHaveLength(1);
+        expect(result.warnings).toHaveLength(0);
+        expect(result.repoData[0].cloneUrl).toBe('file:///path/to/valid/repo');
+        // The name should include the port to match what zoekt derives from the origin URL
+        expect(result.repoData[0].name).toBe('git.kernel.org:443/pub/scm/bluetooth/bluez');
+    });
+
     test('should return warnings for invalid repos and success for valid ones', async () => {
         mockedGlob.mockResolvedValue(['/path/to/valid/repo', '/path/to/invalid/repo']);
         mockedIsPathAValidGitRepoRoot.mockImplementation(async ({ path }) => {
diff --git a/packages/backend/src/repoCompileUtils.ts b/packages/backend/src/repoCompileUtils.ts
index 678ef6ea8..148118338 100644
--- a/packages/backend/src/repoCompileUtils.ts
+++ b/packages/backend/src/repoCompileUtils.ts
@@ -31,6 +31,23 @@ const logger = createLogger('repo-compile-utils');
 const MAX_CONCURRENT_GIT_OPERATIONS = 100;
 const gitOperationLimit = pLimit(MAX_CONCURRENT_GIT_OPERATIONS);
 
+/**
+ * Extracts the host with port from an HTTP(S) URL string, preserving the port
+ * even if it's a default port (e.g., 443 for https, 80 for http).
+ *
+ * This is needed because JavaScript URL parsers normalize URLs and strip default
+ * ports, but Go's url.Parse preserves them. Since zoekt uses Go, we need to match
+ * its behavior for repo name derivation.
+ *
+ * @param url - The URL string to extract host:port from
+ * @returns The host with port if present (e.g., "example.com:443"), or null if not an HTTP(S) URL
+ */
+const extractHostWithPort = (url: string): string | null => {
+    // Match http(s):// URLs: protocol://host(:port)/path
+    const match = url.match(/^https?:\/\/([^/?#]+)/i);
+    return match ? match[1] : null;
+};
+
 type CompileResult = {
     repoData: RepoData[],
     warnings: string[],
@@ -515,7 +532,12 @@ export const compileGenericGitHostConfig_file = async (
 
         // @note: matches the naming here:
         // https://github.com/sourcebot-dev/zoekt/blob/main/gitindex/index.go#L293
-        const repoName = path.join(remoteUrl.host, remoteUrl.pathname.replace(/\.git$/, ''));
+        // Go's url.URL.Host includes the port if present (even default ports like 443),
+        // but JS URL parsers normalize and strip default ports. We need to extract
+        // the host:port directly from the raw URL to match zoekt's behavior.
+        // For non-HTTP URLs, remoteUrl.host preserves non-default ports (e.g., ssh://host:22/).
+        const hostWithPort = extractHostWithPort(origin) ?? remoteUrl.host;
+        const repoName = path.join(hostWithPort, remoteUrl.pathname.replace(/\.git$/, ''));
 
         const repo: RepoData = {
             external_codeHostType: 'genericGitHost',