diff --git a/polygerrit-ui/app/elements/change/gr-account-entry/gr-account-entry.html b/polygerrit-ui/app/elements/change/gr-account-entry/gr-account-entry.html
index c94a716..582c83b 100644
--- a/polygerrit-ui/app/elements/change/gr-account-entry/gr-account-entry.html
+++ b/polygerrit-ui/app/elements/change/gr-account-entry/gr-account-entry.html
@@ -37,7 +37,6 @@
         threshold="[[suggestFrom]]"
         query="[[query]]"
         allow-non-suggested-values="[[allowAnyInput]]"
-        no-debounce
         on-commit="_handleInputCommit"
         clear-on-commit
         warn-uncommitted
diff --git a/polygerrit-ui/app/elements/change/gr-account-entry/gr-account-entry.js b/polygerrit-ui/app/elements/change/gr-account-entry/gr-account-entry.js
index 5cb3b77..86e3903 100644
--- a/polygerrit-ui/app/elements/change/gr-account-entry/gr-account-entry.js
+++ b/polygerrit-ui/app/elements/change/gr-account-entry/gr-account-entry.js
@@ -69,6 +69,8 @@
         type: String,
         observer: '_inputTextChanged',
       },
+
+      _loggedIn: Boolean,
     },
 
     behaviors: [
@@ -79,6 +81,9 @@
       this.$.restAPI.getConfig().then(cfg => {
         this._config = cfg;
       });
+      this.$.restAPI.getLoggedIn().then(loggedIn => {
+        this._loggedIn = loggedIn;
+      });
     },
 
     get focusStart() {
@@ -144,7 +149,9 @@
     },
 
     _getReviewerSuggestions(input) {
-      if (!this.change || !this.change._number) { return Promise.resolve([]); }
+      if (!this.change || !this.change._number || !this._loggedIn) {
+        return Promise.resolve([]);
+      }
 
       const api = this.$.restAPI;
       const xhr = this.allowAnyUser ?
diff --git a/polygerrit-ui/app/elements/change/gr-account-entry/gr-account-entry_test.html b/polygerrit-ui/app/elements/change/gr-account-entry/gr-account-entry_test.html
index 7d5ddd8..03a0be8 100644
--- a/polygerrit-ui/app/elements/change/gr-account-entry/gr-account-entry_test.html
+++ b/polygerrit-ui/app/elements/change/gr-account-entry/gr-account-entry_test.html
@@ -65,7 +65,7 @@
     let suggestion3;
     let element;
 
-    setup(() => {
+    setup(done => {
       owner = makeAccount();
       existingReviewer1 = makeAccount();
       existingReviewer2 = makeAccount();
@@ -78,6 +78,10 @@
         },
       };
 
+      stub('gr-rest-api-interface', {
+        getLoggedIn() { return Promise.resolve(true); },
+      });
+
       element = fixture('basic');
       element.change = {
         _number: 42,
@@ -88,6 +92,7 @@
         },
       };
       sandbox = sinon.sandbox.create();
+      return flush(done);
     });
 
     teardown(() => {
@@ -168,6 +173,19 @@
           }).then(done);
         });
       });
+
+      test('_getReviewerSuggestions short circuits when logged out', () => {
+        // API call is already stubbed.
+        const xhrSpy = element.$.restAPI.getChangeSuggestedReviewers;
+        element._loggedIn = false;
+        return element._getReviewerSuggestions('').then(() => {
+          assert.isFalse(xhrSpy.called);
+          element._loggedIn = true;
+          return element._getReviewerSuggestions('').then(() => {
+            assert.isTrue(xhrSpy.called);
+          });
+        });
+      });
     });
 
     test('allowAnyUser', done => {