diff --git a/webapp/components/Dropdown.vue b/webapp/components/Dropdown.vue
index c03726981..be1157961 100644
--- a/webapp/components/Dropdown.vue
+++ b/webapp/components/Dropdown.vue
@@ -48,16 +48,23 @@ export default {
           if (isOpen) {
             this.$nextTick(() => {
               setTimeout(() => {
-                const paddingRightStyle = `${window.innerWidth - document.documentElement.clientWidth}px`
+                const paddingRightStyle = `${window.innerWidth -
+                  document.documentElement.clientWidth}px`
+                const navigationElement = document.querySelector('.main-navigation')
                 document.body.style.paddingRight = paddingRightStyle
-                document.querySelector('.main-navigation').style.paddingRight = paddingRightStyle
                 document.body.classList.add('dropdown-open')
+                if (navigationElement) {
+                  navigationElement.style.paddingRight = paddingRightStyle
+                }
               }, 20)
             })
           } else {
+            const navigationElement = document.querySelector('.main-navigation')
             document.body.style.paddingRight = null
-            document.querySelector('.main-navigation').style.paddingRight = null
             document.body.classList.remove('dropdown-open')
+            if (navigationElement) {
+              navigationElement.style.paddingRight = null
+            }
           }
         } catch (err) {}
       },