diff --git a/repositories.go b/repositories.go
index f6eb53f..cff6ca3 100644
--- a/repositories.go
+++ b/repositories.go
@@ -115,6 +115,11 @@ func declareAPIAuthRepositoriesRoutes(router *gin.RouterGroup) {
 			}
 		}
 
+		if uri.Scheme != "ssh" && uri.Scheme != "git+ssh" {
+			c.AbortWithStatusJSON(http.StatusBadRequest, gin.H{"errmsg": "Unrecognized URL scheme. You need to provide a SSH repository URL."})
+			return
+		}
+
 		if strings.Contains(uri.Host, "epita.fr") {
 			if !strings.HasPrefix(uri.Path, fmt.Sprintf("/%s/", u.Login)) {
 				c.AbortWithStatusJSON(http.StatusBadRequest, gin.H{"errmsg": "repository URL forbidden"})