diff --git a/plugins/org.jkiss.dbeaver.ui.editors.sql/src/org/jkiss/dbeaver/ui/editors/sql/SQLEditor.java b/plugins/org.jkiss.dbeaver.ui.editors.sql/src/org/jkiss/dbeaver/ui/editors/sql/SQLEditor.java
index 9f18942ee12f9818d200bc6de888c9d4ebb25d7e..126cfd65ee1816cfae6ddca31d11a3003b2585fd 100644
--- a/plugins/org.jkiss.dbeaver.ui.editors.sql/src/org/jkiss/dbeaver/ui/editors/sql/SQLEditor.java
+++ b/plugins/org.jkiss.dbeaver.ui.editors.sql/src/org/jkiss/dbeaver/ui/editors/sql/SQLEditor.java
@@ -1818,6 +1818,9 @@ public class SQLEditor extends SQLEditorBase implements
     }
 
     private void explainQueryPlan(SQLQuery sqlQuery) {
+        if (resultsSash.getMaximizedControl() != null) {
+            toggleResultPanel();
+        }
         DBCQueryPlanner planner = GeneralUtils.adapt(getDataSource(), DBCQueryPlanner.class);
 
         DBCPlanStyle planStyle = planner.getPlanStyle();