diff --git a/plugins/org.jkiss.dbeaver.core/src/org/jkiss/dbeaver/ui/editors/sql/SQLEditor.java b/plugins/org.jkiss.dbeaver.core/src/org/jkiss/dbeaver/ui/editors/sql/SQLEditor.java
index d6bbd66fa954e3f900ffc80dfd457cf8a0606b48..7bfcd7f50586d8f77c1273eaae4b1e6359382c06 100644
--- a/plugins/org.jkiss.dbeaver.core/src/org/jkiss/dbeaver/ui/editors/sql/SQLEditor.java
+++ b/plugins/org.jkiss.dbeaver.core/src/org/jkiss/dbeaver/ui/editors/sql/SQLEditor.java
@@ -130,8 +130,8 @@ public class SQLEditor extends SQLEditorBase implements
 
     private DBSDataSourceContainer dataSourceContainer;
     private DBPDataSource curDataSource;
-    private DBCExecutionContext executionContext;
-    private boolean ownContext = false;
+    private volatile DBCExecutionContext executionContext;
+    private volatile boolean ownContext = false;
     private final FindReplaceTarget findReplaceTarget = new FindReplaceTarget();
     private final List<SQLQuery> runningQueries = new ArrayList<SQLQuery>();