diff --git a/internal/pkg/service/stream/sink/type/tablesink/keboola/bridge/event.go b/internal/pkg/service/stream/sink/type/tablesink/keboola/bridge/event.go
index a34fc9b8ad..73567d28a9 100644
--- a/internal/pkg/service/stream/sink/type/tablesink/keboola/bridge/event.go
+++ b/internal/pkg/service/stream/sink/type/tablesink/keboola/bridge/event.go
@@ -174,6 +174,7 @@ func SendEvent(
 			"streamId":  params.SourceKey.String(),
 			"sinkId":    params.SinkID,
 		},
+		Results: map[string]any{},
 	}
 	if params.SourceName != "" {
 		event.Params["sourceName"] = params.SourceName
@@ -181,8 +182,9 @@ func SendEvent(
 
 	var sErr error
 	defer func() {
-		// BC compatibility, should be removed later.
-		event.Results = event.Params
+		if len(event.Results) == 0 {
+			event.Results = nil
+		}
 		event, sErr = api.CreateEventRequest(event).Send(ctx)
 		if sErr == nil {
 			logger.Debugf(ctx, "Sent eventID: %v", event.ID)
@@ -191,12 +193,12 @@ func SendEvent(
 
 	if err != nil {
 		event.Type = "error"
-		event.Params["error"] = fmt.Sprintf("%s", err)
+		event.Results["error"] = fmt.Sprintf("%s", err)
 		return sErr
 	}
 
 	if params.Stats.RecordsCount > 0 {
-		event.Params["statistics"] = map[string]any{
+		event.Results["statistics"] = map[string]any{
 			"firstRecordAt":    params.Stats.FirstRecordAt.String(),
 			"lastRecordAt":     params.Stats.LastRecordAt.String(),
 			"recordsCount":     params.Stats.RecordsCount,
diff --git a/internal/pkg/service/stream/sink/type/tablesink/keboola/bridge/event_test.go b/internal/pkg/service/stream/sink/type/tablesink/keboola/bridge/event_test.go
index f616eaac99..dc10603964 100644
--- a/internal/pkg/service/stream/sink/type/tablesink/keboola/bridge/event_test.go
+++ b/internal/pkg/service/stream/sink/type/tablesink/keboola/bridge/event_test.go
@@ -51,8 +51,8 @@ func TestBridge_SendSliceUploadEvent_OkEvent(t *testing.T) {
   "component": "keboola.stream.sliceUpload",
   "duration": 3,
   "message": "Slice upload done.",
-  "params": "{\"branchId\":456,\"projectId\":123,\"sinkId\":\"my-sink\",\"sourceId\":\"my-source\",\"statistics\":{\"compressedSize\":52428800,\"firstRecordAt\":\"2000-01-01T20:00:00.000Z\",\"lastRecordAt\":\"2000-01-02T01:00:00.000Z\",\"recordsCount\":123,\"slicesCount\":1,\"stagingSize\":26214400,\"uncompressedSize\":104857600},\"streamId\":\"123/456/my-source\"}",
-  "results": "{\"branchId\":456,\"projectId\":123,\"sinkId\":\"my-sink\",\"sourceId\":\"my-source\",\"statistics\":{\"compressedSize\":52428800,\"firstRecordAt\":\"2000-01-01T20:00:00.000Z\",\"lastRecordAt\":\"2000-01-02T01:00:00.000Z\",\"recordsCount\":123,\"slicesCount\":1,\"stagingSize\":26214400,\"uncompressedSize\":104857600},\"streamId\":\"123/456/my-source\"}",
+  "params": "{\"branchId\":456,\"projectId\":123,\"sinkId\":\"my-sink\",\"sourceId\":\"my-source\",\"streamId\":\"123/456/my-source\"}",
+  "results": "{\"statistics\":{\"compressedSize\":52428800,\"firstRecordAt\":\"2000-01-01T20:00:00.000Z\",\"lastRecordAt\":\"2000-01-02T01:00:00.000Z\",\"recordsCount\":123,\"slicesCount\":1,\"stagingSize\":26214400,\"uncompressedSize\":104857600},}",
   "type": "info"
 }`, body)
 }
@@ -83,8 +83,8 @@ func TestBridge_SendSliceUploadEvent_ErrorEvent(t *testing.T) {
   "component": "keboola.stream.sliceUpload",
   "duration": 3,
   "message": "Slice upload failed.",
-  "params": "{\"branchId\":456,\"error\":\"some error\",\"projectId\":123,\"sinkId\":\"my-sink\",\"sourceId\":\"my-source\",\"streamId\":\"123/456/my-source\"}",
-  "results": "{\"branchId\":456,\"error\":\"some error\",\"projectId\":123,\"sinkId\":\"my-sink\",\"sourceId\":\"my-source\",\"streamId\":\"123/456/my-source\"}",
+  "params": "{\"branchId\":456,\"projectId\":123,\"sinkId\":\"my-sink\",\"sourceId\":\"my-source\",\"streamId\":\"123/456/my-source\"}",
+  "results": "{\"error\":\"some error\"}",
   "type": "error"
 }`, body)
 }
@@ -138,8 +138,8 @@ func TestBridge_SendFileImportEvent_OkEvent(t *testing.T) {
   "component": "keboola.stream.fileImport",
   "duration": 3,
   "message": "File import done.",
-  "params": "{\"branchId\":456,\"projectId\":123,\"sinkId\":\"my-sink\",\"sourceId\":\"my-source\",\"statistics\":{\"compressedSize\":52428800,\"firstRecordAt\":\"2000-01-01T01:00:00.000Z\",\"lastRecordAt\":\"2000-01-02T01:00:00.000Z\",\"recordsCount\":123,\"slicesCount\":1,\"stagingSize\":26214400,\"uncompressedSize\":104857600},\"streamId\":\"123/456/my-source\"}",
-  "results": "{\"branchId\":456,\"projectId\":123,\"sinkId\":\"my-sink\",\"sourceId\":\"my-source\",\"statistics\":{\"compressedSize\":52428800,\"firstRecordAt\":\"2000-01-01T01:00:00.000Z\",\"lastRecordAt\":\"2000-01-02T01:00:00.000Z\",\"recordsCount\":123,\"slicesCount\":1,\"stagingSize\":26214400,\"uncompressedSize\":104857600},\"streamId\":\"123/456/my-source\"}",
+  "params": "{\"branchId\":456,\"projectId\":123,\"sinkId\":\"my-sink\",\"sourceId\":\"my-source\",\"streamId\":\"123/456/my-source\"}",
+  "results": "{\"statistics\":{\"compressedSize\":52428800,\"firstRecordAt\":\"2000-01-01T01:00:00.000Z\",\"lastRecordAt\":\"2000-01-02T01:00:00.000Z\",\"recordsCount\":123,\"slicesCount\":1,\"stagingSize\":26214400,\"uncompressedSize\":104857600}}",
   "type": "info"
 }`, body)
 }
@@ -170,8 +170,8 @@ func TestBridge_SendFileImportEvent_ErrorEvent(t *testing.T) {
   "component": "keboola.stream.fileImport",
   "duration": 3,
   "message": "File import failed.",
-  "params": "{\"branchId\":456,\"error\":\"some error\",\"projectId\":123,\"sinkId\":\"my-sink\",\"sourceId\":\"my-source\",\"streamId\":\"123/456/my-source\"}",
-  "results": "{\"branchId\":456,\"error\":\"some error\",\"projectId\":123,\"sinkId\":\"my-sink\",\"sourceId\":\"my-source\",\"streamId\":\"123/456/my-source\"}",
+  "params": "{\"branchId\":456,\"projectId\":123,\"sinkId\":\"my-sink\",\"sourceId\":\"my-source\",\"streamId\":\"123/456/my-source\"}",
+  "results": "{\"error\":\"some error\"}",
   "type": "error"
 }`, body)
 }