--- a/browser/components/preferences/in-content/search.js
+++ b/browser/components/preferences/in-content/search.js
@@ -61,17 +61,17 @@ var gSearchPane = {
 
     let suggestsPref = Preferences.get("browser.search.suggest.enabled");
     let urlbarSuggestsPref = Preferences.get("browser.urlbar.suggest.searches");
     let updateSuggestionCheckboxes = this._updateSuggestionCheckboxes.bind(this);
     suggestsPref.on("change", updateSuggestionCheckboxes);
     urlbarSuggestsPref.on("change", updateSuggestionCheckboxes);
     let urlbarSuggests = document.getElementById("urlBarSuggestion");
     urlbarSuggests.addEventListener("command", () => {
-      urlbarSuggestsPref.value = !urlbarSuggests.checked;
+      urlbarSuggestsPref.value = urlbarSuggests.checked;
     });
 
     this._initShowSearchSuggestionsFirst();
     this._updateSuggestionCheckboxes();
   },
 
   _initShowSearchSuggestionsFirst() {
     this._urlbarSuggestionsPosPref = Preferences.get("browser.urlbar.matchBuckets");

--- a/browser/components/preferences/in-content/tests/browser_searchsuggestions.js
+++ b/browser/components/preferences/in-content/tests/browser_searchsuggestions.js
@@ -14,23 +14,23 @@ add_task(async function() {
   await openPreferencesViaOpenPreferencesAPI("search", { leaveOpen: true });
 
   let doc = gBrowser.selectedBrowser.contentDocument;
   let urlbarBox = doc.getElementById("urlBarSuggestion");
   ok(!urlbarBox.disabled, "Checkbox should be enabled");
   is(urlbarBox.checked, INITIAL_URLBAR_SUGGEST_VALUE,
      "Checkbox should match initial pref value: " + INITIAL_URLBAR_SUGGEST_VALUE);
 
-  urlbarBox.doCommand();
+  await BrowserTestUtils.synthesizeMouseAtCenter("#urlBarSuggestion", {}, gBrowser.selectedBrowser);
   is(urlbarBox.checked, !INITIAL_URLBAR_SUGGEST_VALUE,
      "Checkbox should be flipped after clicking it");
   let prefValue = Services.prefs.getBoolPref(URLBAR_SUGGEST_PREF_NAME);
   is(prefValue, urlbarBox.checked, "Pref should match checkbox. Pref: " + prefValue);
 
-  urlbarBox.doCommand();
+  await BrowserTestUtils.synthesizeMouseAtCenter("#urlBarSuggestion", {}, gBrowser.selectedBrowser);
   is(urlbarBox.checked, INITIAL_URLBAR_SUGGEST_VALUE,
      "Checkbox should be back to initial value after clicking it");
   prefValue = Services.prefs.getBoolPref(URLBAR_SUGGEST_PREF_NAME);
   is(prefValue, urlbarBox.checked, "Pref should match checkbox. Pref: " + prefValue);
 
   Services.prefs.setBoolPref(SUGGEST_PREF_NAME, false);
   ok(!urlbarBox.checked, "Checkbox should now be unchecked");
   ok(urlbarBox.disabled, "Checkbox should be disabled");