diff --git a/pkg/datasource/models.go b/pkg/datasource/models.go
index 3e77709..deeed04 100644
--- a/pkg/datasource/models.go
+++ b/pkg/datasource/models.go
@@ -128,13 +128,15 @@ func ReadQuery(query backend.DataQuery) (QueryModel, error) {
 			return model, backend.DownstreamError(fmt.Errorf("could not read query JSON: %w", err))
 		}
 
-		queryType, err := queryJSON.Get("queryType").Int64()
-		if err != nil {
+		// Try reading queryType as string first, then as int64
+		if queryTypeStr, err := queryJSON.Get("queryType").String(); err == nil && queryTypeStr != "" {
+			model.QueryType = queryTypeStr
+		} else if queryType, err := queryJSON.Get("queryType").Int64(); err == nil {
+			model.QueryType = strconv.FormatInt(queryType, 10)
+		} else {
 			log.DefaultLogger.Warn("could not read query type", "error", err)
 			log.DefaultLogger.Debug("setting query type to default value")
 			model.QueryType = "0"
-		} else {
-			model.QueryType = strconv.FormatInt(queryType, 10)
 		}
 	}