diff --git a/plugins/mysql-apt/index.py b/plugins/mysql-apt/index.py
index aa688fe6a..1c7636347 100755
--- a/plugins/mysql-apt/index.py
+++ b/plugins/mysql-apt/index.py
@@ -2501,6 +2501,9 @@ def doFullSyncUser(version=''):
         return data[1]
 
     sync_db = args['db']
+    if sync_db.lower() == 'all':
+        sync_db = '--all-databases'
+
     sync_sign = args['sign']
 
     db = pMysqlDb()
diff --git a/plugins/mysql-yum/index.py b/plugins/mysql-yum/index.py
index b03665bc6..0296affde 100755
--- a/plugins/mysql-yum/index.py
+++ b/plugins/mysql-yum/index.py
@@ -2450,6 +2450,9 @@ def doFullSyncUser(version=''):
         return data[1]
 
     sync_db = args['db']
+    if sync_db.lower() == 'all':
+        sync_db = '--all-databases'
+
     sync_sign = args['sign']
 
     db = pMysqlDb()