diff --git a/frontend/less/espo/custom.less b/frontend/less/espo/custom.less
index 68004a5c66..ae978cd8ad 100644
--- a/frontend/less/espo/custom.less
+++ b/frontend/less/espo/custom.less
@@ -4193,6 +4193,10 @@ body > .autocomplete-suggestions.text-search-suggestions {
         height: var(--200px);
     }
 
+    .colorpicker-alpha {
+        background-size: 100% 100%;
+    }
+
     .colorpicker-color {
         width: var(--200px);
     }