diff --git a/build/js/Layout.js b/build/js/Layout.js
index c79121334..ce0d68af8 100644
--- a/build/js/Layout.js
+++ b/build/js/Layout.js
@@ -66,9 +66,9 @@ class Layout {
 
     const heights = {
       window: $(window).height(),
-      header: $(SELECTOR_HEADER).length !== 0 ? $(SELECTOR_HEADER).outerHeight() : 0,
-      footer: $(SELECTOR_FOOTER).length !== 0 ? $(SELECTOR_FOOTER).outerHeight() : 0,
-      sidebar: $(SELECTOR_SIDEBAR).length !== 0 ? $(SELECTOR_SIDEBAR).height() : 0,
+      header: $(SELECTOR_HEADER).length > 0 ? $(SELECTOR_HEADER).outerHeight() : 0,
+      footer: $(SELECTOR_FOOTER).length > 0 ? $(SELECTOR_FOOTER).outerHeight() : 0,
+      sidebar: $(SELECTOR_SIDEBAR).length > 0 ? $(SELECTOR_SIDEBAR).height() : 0,
       controlSidebar
     }
 
diff --git a/package-lock.json b/package-lock.json
index 6608885fa..e3d7e0dd5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4920,9 +4920,9 @@
       }
     },
     "eslint-plugin-unicorn": {
-      "version": "22.0.0",
-      "resolved": "https://registry.npmjs.org/eslint-plugin-unicorn/-/eslint-plugin-unicorn-22.0.0.tgz",
-      "integrity": "sha512-jXPOauNiVFYLr+AeU3l21Ao+iDl/G08vUWui21RCI2L1TJIIoJvAMjMR6I+QPKr8FgIumzuR6gzDKCtEx2IkzA==",
+      "version": "23.0.0",
+      "resolved": "https://registry.npmjs.org/eslint-plugin-unicorn/-/eslint-plugin-unicorn-23.0.0.tgz",
+      "integrity": "sha512-Vabo3cjl6cjyhcf+76CdQEY6suOFzK0Xh3xo0uL9VDYrDJP5+B6PjV0tHTYm82WZmFWniugFJM3ywHSNYTi/ZQ==",
       "dev": true,
       "requires": {
         "ci-info": "^2.0.0",
diff --git a/package.json b/package.json
index 4abd1832e..6e1c9224a 100644
--- a/package.json
+++ b/package.json
@@ -140,7 +140,7 @@
     "eslint-config-xo": "^0.33.1",
     "eslint-plugin-compat": "^3.8.0",
     "eslint-plugin-import": "^2.22.1",
-    "eslint-plugin-unicorn": "^22.0.0",
+    "eslint-plugin-unicorn": "^23.0.0",
     "node-sass": "^5.0.0",
     "node-sass-package-importer": "^5.3.2",
     "nodemon": "^2.0.6",