diff --git a/src/Umbraco.Web.UI.Client/src/less/property-editors.less b/src/Umbraco.Web.UI.Client/src/less/property-editors.less
index 328ba2229b..11d11c7e3a 100644
--- a/src/Umbraco.Web.UI.Client/src/less/property-editors.less
+++ b/src/Umbraco.Web.UI.Client/src/less/property-editors.less
@@ -950,6 +950,12 @@
     .umb-linkpicker__url {
         width: 50%;
         padding-right: 5px;
+
+        // when the anchor input is hidden by config
+        // the URL input should be full-width
+        &:only-child {
+            width: 100%;
+        }
     }
 
     .umb-linkpicker__anchor {