diff --git a/pkg/api/datasources.go b/pkg/api/datasources.go
index d3ed473f28a..b80654d59f9 100644
--- a/pkg/api/datasources.go
+++ b/pkg/api/datasources.go
@@ -477,7 +477,7 @@ func (hs *HTTPServer) CheckDatasourceHealth(c *models.ReqContext) response.Respo
 	}
 
 	if resp.Status != backend.HealthStatusOk {
-		return response.JSON(503, payload)
+		return response.JSON(400, payload)
 	}
 
 	return response.JSON(200, payload)