diff --git a/check_process b/check_process
index e4e89e5..16cea20 100644
--- a/check_process
+++ b/check_process
@@ -20,6 +20,8 @@
 		upgrade=1   from_commit=8e99ec37fb90d1ac4f8eb2c838e6d2e1f5b0c905
 		# 2.6.1~ynh3
 		upgrade=1   from_commit=f101d8cb5701c46db0d6cf5aaa02b1e7f8e0dec2
+		# 2.6.4~ynh1
+		upgrade=1   from_commit=065dc9bf0076090cb6457ef54c87ef0200d72103
 		backup_restore=1
 		multi_instance=1
 		port_already_use=0
@@ -27,14 +29,3 @@
 ;;; Options
 Email=yalh@yahoo.com
 Notification=all
-;;; Upgrade options
-	; commit=9e8a72669814237122dfc6f901c9377895c193db
-		name=2.5.1~ynh3
-	; commit=a857788c1fb369baa5f0608da12013b003cceed3
-		name=2.5.2~ynh1
-	; commit=a05896f0e4f2b015dcf643c644ac6c98c2f6695b
-		name=2.6.1~ynh1
-	; commit=8e99ec37fb90d1ac4f8eb2c838e6d2e1f5b0c905
-		name=2.6.1~ynh2
-	; commit=f101d8cb5701c46db0d6cf5aaa02b1e7f8e0dec2
-		name=2.6.1~ynh3