diff --git a/plugins/sip/calls-sip-provider.c b/plugins/sip/calls-sip-provider.c
index 8207541..faedf3e 100644
--- a/plugins/sip/calls-sip-provider.c
+++ b/plugins/sip/calls-sip-provider.c
@@ -581,6 +581,7 @@ calls_sip_provider_init (CallsSipProvider *self)
 {
   g_autofree char *directory = NULL;
   const char *filename_env = g_getenv ("CALLS_SIP_ACCOUNT_FILE");
+  const char *sip_test_env = g_getenv ("CALLS_SIP_TEST");
 
   self->origins = g_list_store_new (CALLS_TYPE_ORIGIN);
 
@@ -592,12 +593,14 @@ calls_sip_provider_init (CallsSipProvider *self)
                                        SIP_ACCOUNT_FILE,
                                        NULL);
 
-  directory = g_path_get_dirname (self->filename);
-  if (g_mkdir_with_parents (directory, 0750) == -1) {
-    int err_save = errno;
-    g_warning ("Failed to create directory '%s': %d\n"
-               "Can not store credentials persistently!",
-               directory, err_save);
+  if (!sip_test_env || sip_test_env[0] == '\0') {
+    directory = g_path_get_dirname (self->filename);
+    if (g_mkdir_with_parents (directory, 0750) == -1) {
+      int err_save = errno;
+      g_warning ("Failed to create directory '%s': %d\n"
+                 "Can not store credentials persistently!",
+                 directory, err_save);
+    }
   }
 
 }