diff --git a/ui/src/components/input/QInput.js b/ui/src/components/input/QInput.js
index ccc390a2361..fdd302a57ba 100644
--- a/ui/src/components/input/QInput.js
+++ b/ui/src/components/input/QInput.js
@@ -297,8 +297,8 @@ export default Vue.extend({
           // but keep the total control size the same
           // Firefox rulez #14263, #14344
           this.$q.platform.is.firefox !== true && (inp.style.overflow = 'hidden')
-          inp.style.height = '1px'
           parentStyle.marginBottom = (inp.scrollHeight - 1) + 'px'
+          inp.style.height = '1px'
 
           inp.style.height = inp.scrollHeight + 'px'
           inp.style.overflow = overflow