Fix error notice

mindkomm · Aug 19, 2020 · 4f2b4b6 · 4f2b4b6
1 parent 45fa5ca
commit 4f2b4b6
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Types
 
+## 2.5.4 - 2020-08-19
+
+- Fixed error notice.
+
 ## 2.5.3 - 2020-08-18
 
 - Added a new `column_order` argument for the `admin_columns` option.

diff --git a/lib/Post_Type_Columns.php b/lib/Post_Type_Columns.php
@@ -137,7 +137,7 @@ public function columns( $columns ) {
 	public function columns_sortable( $columns ) {
 		foreach ( $this->columns as $slug => $column ) {
 			// Remove column when it’s not sortable.
-			if ( ! $column['sortable'] ) {
+			if ( isset( $column['sortable'] ) && ! $column['sortable'] ) {
 				unset( $columns[ $slug ] );
 				continue;
 			} elseif ( ! isset( $columns[ $slug ] ) ) {