diff --git a/bin/install.js b/bin/install.js
index 7f9d8ded9..cb1662673 100755
--- a/bin/install.js
+++ b/bin/install.js
@@ -4432,7 +4432,7 @@ function uninstall(isGlobal, runtime = 'claude') {
         const before = JSON.stringify(settings.hooks[eventName]);
         settings.hooks[eventName] = settings.hooks[eventName]
           .map(entry => {
-            if (!entry.hooks || !Array.isArray(entry.hooks)) return null;
+            if (!entry.hooks || !Array.isArray(entry.hooks)) return entry;
             // Filter out individual GSD hooks, keep user hooks
             entry.hooks = entry.hooks.filter(h => !isGsdHookCommand(h.command));
             return entry.hooks.length > 0 ? entry : null;
diff --git a/tests/install-hooks-copy.test.cjs b/tests/install-hooks-copy.test.cjs
index 309190c10..422a2ff24 100644
--- a/tests/install-hooks-copy.test.cjs
+++ b/tests/install-hooks-copy.test.cjs
@@ -325,7 +325,7 @@ describe('uninstall settings cleanup preserves user hooks', () => {
   function filterGsdHooks(entries) {
     return entries
       .map(entry => {
-        if (!entry.hooks || !Array.isArray(entry.hooks)) return null;
+        if (!entry.hooks || !Array.isArray(entry.hooks)) return entry;
         entry.hooks = entry.hooks.filter(h => !isGsdHookCommand(h.command));
         return entry.hooks.length > 0 ? entry : null;
       })
@@ -372,6 +372,19 @@ describe('uninstall settings cleanup preserves user hooks', () => {
     assert.strictEqual(result[0].hooks.length, 1, 'user hook should remain');
   });
 
+  test('non-array hook entries are preserved during uninstall (#1825)', () => {
+    const entries = [
+      { type: 'custom', command: 'echo hello' },
+      { matcher: 'Bash', hooks: [{ type: 'command', command: 'node /path/to/gsd-prompt-guard.js' }] },
+      { url: 'https://example.com/webhook' },
+    ];
+
+    const result = filterGsdHooks(JSON.parse(JSON.stringify(entries)));
+    assert.strictEqual(result.length, 2, 'both non-array entries should survive');
+    assert.deepStrictEqual(result[0], { type: 'custom', command: 'echo hello' }, 'first non-array entry preserved');
+    assert.deepStrictEqual(result[1], { url: 'https://example.com/webhook' }, 'second non-array entry preserved');
+  });
+
   test('all GSD hook names are recognized by isGsdHookCommand', () => {
     const gsdCommands = [
       'node /path/gsd-check-update.js',