diff --git a/install/debian/10/pma/pma.sh b/install/debian/10/pma/pma.sh
index 53ec9982..eb4be110 100644
--- a/install/debian/10/pma/pma.sh
+++ b/install/debian/10/pma/pma.sh
@@ -134,8 +134,8 @@ PMAUSER=pma
 
 #DROP USER and TABLE
 mysql -uroot <<MYSQL_PMA1
-DROP USER '$PMAUSER'@'localhost';
-DROP DATABASE $PMADB;
+DROP USER IF EXISTS '$PMAUSER'@'localhost';
+DROP DATABASE IF EXISTS $PMADB;
 FLUSH PRIVILEGES;
 MYSQL_PMA1