diff --git a/modoboa_installer/scripts/base.py b/modoboa_installer/scripts/base.py
index 5efa338..241d382 100644
--- a/modoboa_installer/scripts/base.py
+++ b/modoboa_installer/scripts/base.py
@@ -110,8 +110,12 @@ class Installer(object):
             return
         context = self.get_template_context()
         for ftpl in config_files:
+            if "=" in ftpl:
+                ftpl, dstname = ftpl.split("=")
+            else:
+                dstname = ftpl
             src = self.get_file_path("{}.tpl".format(ftpl))
-            dst = os.path.join(self.config_dir, ftpl)
+            dst = os.path.join(self.config_dir, dstname)
             utils.copy_from_template(src, dst, context)
 
     def restart_daemon(self):
diff --git a/modoboa_installer/scripts/dovecot.py b/modoboa_installer/scripts/dovecot.py
index 2ff234c..36dc586 100644
--- a/modoboa_installer/scripts/dovecot.py
+++ b/modoboa_installer/scripts/dovecot.py
@@ -26,7 +26,9 @@ class Dovecot(base.Installer):
     def get_config_files(self):
         """Additional config files."""
         return self.config_files + [
-            "dovecot-sql-{}.conf.ext".format(self.dbengine)]
+            "dovecot-sql-{}.conf.ext=dovecot-sql.conf.ext"
+            .format(self.dbengine)
+        ]
 
     def get_packages(self):
         """Additional packages."""