diff --git a/rel/files/emqttd.config.development b/rel/files/emqttd.config.development
index 32424846b..8cec54f04 100644
--- a/rel/files/emqttd.config.development
+++ b/rel/files/emqttd.config.development
@@ -59,8 +59,8 @@
             %    {user_dn, "uid=$u,ou=People,dc=example,dc=com"},
             %    {ssl, fasle},
             %    {sslopts, [
-            %        {"certfile", "ssl.crt"},
-            %        {"keyfile", "ssl.key"}]}
+            %        {certfile, "ssl.crt"},
+            %        {keyfile, "ssl.key"}]}
             % ]},
 
             %% Allow all
diff --git a/rel/files/emqttd.config.production b/rel/files/emqttd.config.production
index 2748856bb..d41c9f0e9 100644
--- a/rel/files/emqttd.config.production
+++ b/rel/files/emqttd.config.production
@@ -51,8 +51,8 @@
             %    {user_dn, "uid=$u,ou=People,dc=example,dc=com"},
             %    {ssl, fasle},
             %    {sslopts, [
-            %        {"certfile", "ssl.crt"},
-            %        {"keyfile", "ssl.key"}]}
+            %        {certfile, "ssl.crt"},
+            %        {keyfile, "ssl.key"}]}
             % ]},
 
             %% Allow all