diff --git a/src/components/Grid/Main/Filter/ComboboxFilter.js b/src/components/Grid/Main/Filter/ComboboxFilter.js
index 586a2c8..d8731eb 100644
--- a/src/components/Grid/Main/Filter/ComboboxFilter.js
+++ b/src/components/Grid/Main/Filter/ComboboxFilter.js
@@ -11,6 +11,9 @@ export default {
       :filter="filter"
       :change-value="updateFilter"
     />`,
+    mounted() {
+        this.params.api.sizeColumnsToFit()
+    },
     data: function () {
         return {
             filter: '',