diff --git a/handler.go b/handler.go
index acc12b8..6ef928e 100644
--- a/handler.go
+++ b/handler.go
@@ -136,8 +136,11 @@ func (api *API) collectionGetHandler(m mgocrud.ModelInterface) gin.HandlerFunc {
 		}
 		clearedSort := []string{}
 		for _, s := range sort {
-			if s != "" {
-				clearedSort = append(clearedSort, s)
+			// split by comma and append all parts to clearedSort
+			for _, sPart := range strings.Split(s, ",") {
+				if sPart != "" {
+					clearedSort = append(clearedSort, sPart)
+				}
 			}
 		}