diff --git a/pkg/tsdb/grafana-postgresql-datasource/sqleng/sql_engine.go b/pkg/tsdb/grafana-postgresql-datasource/sqleng/sql_engine.go
index de64391abef..a3a642ea74a 100644
--- a/pkg/tsdb/grafana-postgresql-datasource/sqleng/sql_engine.go
+++ b/pkg/tsdb/grafana-postgresql-datasource/sqleng/sql_engine.go
@@ -235,6 +235,9 @@ func (e *DataSourceHandler) executeQuery(query backend.DataQuery, wg *sync.WaitG
 		emptyFrame.SetMeta(&data.FrameMeta{
 			ExecutedQueryString: query,
 		})
+		if backend.IsDownstreamError(err) {
+			source = backend.ErrorSourceDownstream
+		}
 		queryResult.dataResponse.Error = fmt.Errorf("%s: %w", frameErr, err)
 		queryResult.dataResponse.ErrorSource = source
 		queryResult.dataResponse.Frames = data.Frames{&emptyFrame}
diff --git a/pkg/tsdb/mssql/sqleng/sql_engine.go b/pkg/tsdb/mssql/sqleng/sql_engine.go
index 27e34e52c11..4c98003a1f1 100644
--- a/pkg/tsdb/mssql/sqleng/sql_engine.go
+++ b/pkg/tsdb/mssql/sqleng/sql_engine.go
@@ -231,6 +231,9 @@ func (e *DataSourceHandler) executeQuery(query backend.DataQuery, wg *sync.WaitG
 		emptyFrame.SetMeta(&data.FrameMeta{
 			ExecutedQueryString: query,
 		})
+		if backend.IsDownstreamError(err) {
+			source = backend.ErrorSourceDownstream
+		}
 		queryResult.dataResponse.Error = fmt.Errorf("%s: %w", frameErr, err)
 		queryResult.dataResponse.ErrorSource = source
 		queryResult.dataResponse.Frames = data.Frames{&emptyFrame}
diff --git a/pkg/tsdb/mysql/sqleng/sql_engine.go b/pkg/tsdb/mysql/sqleng/sql_engine.go
index 27e34e52c11..4c98003a1f1 100644
--- a/pkg/tsdb/mysql/sqleng/sql_engine.go
+++ b/pkg/tsdb/mysql/sqleng/sql_engine.go
@@ -231,6 +231,9 @@ func (e *DataSourceHandler) executeQuery(query backend.DataQuery, wg *sync.WaitG
 		emptyFrame.SetMeta(&data.FrameMeta{
 			ExecutedQueryString: query,
 		})
+		if backend.IsDownstreamError(err) {
+			source = backend.ErrorSourceDownstream
+		}
 		queryResult.dataResponse.Error = fmt.Errorf("%s: %w", frameErr, err)
 		queryResult.dataResponse.ErrorSource = source
 		queryResult.dataResponse.Frames = data.Frames{&emptyFrame}