diff --git a/src/engines/pimeyes.js b/src/engines/pimeyes.js
index 843fca0..bef1a88 100644
--- a/src/engines/pimeyes.js
+++ b/src/engines/pimeyes.js
@@ -23,26 +23,31 @@ async function search({session, search, image, storageIds}) {
 
   input.dispatchEvent(new Event('change'));
 
-  const searchButton = await findNode('.start-search-inner > button');
-
-  if (searchButton.classList.contains('disabled')) {
-    await findNode('.permissions input[type=checkbox]');
+  const searchButton = await findNode('.start-search-inner > button', {
+    throwError: false
+  });
 
-    for (const checkbox of document.querySelectorAll(
-      '.permissions input[type=checkbox]'
-    )) {
-      if (!checkbox.checked) {
-        checkbox.click();
+  // button is missing when no faces were detected
+  if (searchButton) {
+    if (searchButton.classList.contains('disabled')) {
+      await findNode('.permissions input[type=checkbox]');
+
+      for (const checkbox of document.querySelectorAll(
+        '.permissions input[type=checkbox]'
+      )) {
+        if (!checkbox.checked) {
+          checkbox.click();
+        }
       }
-    }
 
-    (
-      await findNode('.start-search-inner > button:not(.disabled)', {
-        observerOptions: {attributes: true, attributeFilter: ['class']}
-      })
-    ).click();
-  } else {
-    searchButton.click();
+      (
+        await findNode('.start-search-inner > button:not(.disabled)', {
+          observerOptions: {attributes: true, attributeFilter: ['class']}
+        })
+      ).click();
+    } else {
+      searchButton.click();
+    }
   }
 }
 
diff --git a/src/utils/common.js b/src/utils/common.js
index 60c4126..965998b 100644
--- a/src/utils/common.js
+++ b/src/utils/common.js
@@ -433,7 +433,9 @@ async function getPlatform({fallback = true} = {}) {
       }));
     } catch (err) {
       if (fallback) {
-        ({os, arch} = await browser.runtime.sendMessage({
+        ({
+          response: {os, arch}
+        } = await browser.runtime.sendMessage({
           id: 'sendNativeMessage',
           message: {id: 'getPlatform'}
         }));
@@ -520,13 +522,11 @@ async function shareFiles(files) {
 }
 
 async function isAndroid() {
-  const {os} = await getPlatform();
-  return os === 'android';
+  return (await getPlatform()).isAndroid;
 }
 
 async function isMobile() {
-  const {os} = await getPlatform();
-  return ['android', 'ios', 'ipados'].includes(os);
+  return (await getPlatform()).isMobile;
 }
 
 function getDarkColorSchemeQuery() {