1 files changed, 2 insertions, 2 deletions
diff --git a/devtools/client/inspector/rules/test/browser_rules_context-menu-show-mdn-docs-03.js b/devtools/client/inspector/rules/test/browser_rules_context-menu-show-mdn-docs-03.js
index ac5f636a20..eb1527d7b9 100644
--- a/devtools/client/inspector/rules/test/browser_rules_context-menu-show-mdn-docs-03.js
+++ b/devtools/client/inspector/rules/test/browser_rules_context-menu-show-mdn-docs-03.js
@@ -32,7 +32,7 @@ add_task(function* () {
   info("Ensure the pref is true to begin with");
   let initial = Services.prefs.getBoolPref(PREF_ENABLE_MDN_DOCS_TOOLTIP);
   if (initial != true) {
-    setBooleanPref(PREF_ENABLE_MDN_DOCS_TOOLTIP, true);
+    yield setBooleanPref(PREF_ENABLE_MDN_DOCS_TOOLTIP, true);
   }
 
   yield addTab("data:text/html;charset=utf8," + encodeURIComponent(TEST_DOC));
@@ -58,7 +58,7 @@ add_task(function* () {
   info("Ensure the pref is reset to its initial value");
   let eventual = Services.prefs.getBoolPref(PREF_ENABLE_MDN_DOCS_TOOLTIP);
   if (eventual != initial) {
-    setBooleanPref(PREF_ENABLE_MDN_DOCS_TOOLTIP, initial);
+    yield setBooleanPref(PREF_ENABLE_MDN_DOCS_TOOLTIP, initial);
   }
 });