diff --git a/src/amo/components/InstallWarning/index.js b/src/amo/components/InstallWarning/index.js
index e3bf9caf3c0..3af82de2222 100644
--- a/src/amo/components/InstallWarning/index.js
+++ b/src/amo/components/InstallWarning/index.js
@@ -86,7 +86,7 @@ export class InstallWarningBase extends React.Component<InternalProps> {
       !correctedLocation &&
       isFirefox({ userAgentInfo }) &&
       addon.type === ADDON_TYPE_EXTENSION &&
-      promotedCategories.some(
+      promotedCategories.every(
         (promoted) => !EXCLUDE_WARNING_CATEGORIES.includes(promoted),
       )
     );
diff --git a/src/amo/installAddon.js b/src/amo/installAddon.js
index 1da814ccc8e..af656f20241 100644
--- a/src/amo/installAddon.js
+++ b/src/amo/installAddon.js
@@ -330,7 +330,10 @@ export class WithInstallHelpers extends React.Component<WithInstallHelpersIntern
         // If the add-on is trusted, send an additional event for trusted
         // add-on install.
         const promotedCategories = _getPromotedCategories({ addon, clientApp });
-        if (addon.type === ADDON_TYPE_EXTENSION && promotedCategories) {
+        if (
+          addon.type === ADDON_TYPE_EXTENSION &&
+          promotedCategories.length > 0
+        ) {
           _tracking.sendEvent({
             action: promotedCategories.join(', '),
             category: INSTALL_TRUSTED_EXTENSION_CATEGORY,