diff --git a/test/erl/src/test_client.erl b/test/erl/src/test_client.erl
index 50ffc64..c916cee 100644
--- a/test/erl/src/test_client.erl
+++ b/test/erl/src/test_client.erl
@@ -51,8 +51,9 @@
                 ssl:start(),
                 SslOptions =
                     {ssloptions, [
-                        {certfile, "../keys/client.crt"}
-                        ,{keyfile, "../keys/server.key"}
+                        {cacertfile, "../keys/CA.pem"},
+                        {certfile, "../keys/client.pem"},
+                        {keyfile, "../keys/client.key"}
                     ]},
                 Opts#options{client_opts = [{ssltransport, true} | [SslOptions | Opts#options.client_opts]]};
             "--protocol=" ++ Proto ->
diff --git a/test/erl/src/test_thrift_server.erl b/test/erl/src/test_thrift_server.erl
index f3ed2f7..dad8dec 100644
--- a/test/erl/src/test_thrift_server.erl
+++ b/test/erl/src/test_thrift_server.erl
@@ -51,7 +51,7 @@
                 ssl:start(),
                 SslOptions =
                     {ssloptions, [
-                         {certfile, "../keys/server.crt"}
+                         {certfile, "../keys/server.pem"}
                         ,{keyfile,  "../keys/server.key"}
                     ]},
                 Opts#options{server_opts = [{ssltransport, true} | [SslOptions | Opts#options.server_opts]]};