diff --git a/plugins/sip/calls-sip-provider.c b/plugins/sip/calls-sip-provider.c
index c945567..ad24a24 100644
--- a/plugins/sip/calls-sip-provider.c
+++ b/plugins/sip/calls-sip-provider.c
@@ -322,10 +322,11 @@ calls_sip_provider_constructed (GObject *object)
   CallsSipProvider *self = CALLS_SIP_PROVIDER (object);
   g_autoptr (GError) error = NULL;
   gboolean auto_load_accounts = TRUE;
+  const gchar *env_do_not_auto_load;
 
-#ifdef FOR_TESTING
-  auto_load_accounts = FALSE;
-#endif
+  env_do_not_auto_load = g_getenv ("CALLS_SIP_DO_NOT_AUTOLOAD");
+  if (env_do_not_auto_load && env_do_not_auto_load[0] != '\0')
+    auto_load_accounts = FALSE;
 
   if (calls_sip_provider_init_sofia (self, &error)) {
     if (auto_load_accounts)
diff --git a/tests/meson.build b/tests/meson.build
index 678ae47..bd8f9d3 100644
--- a/tests/meson.build
+++ b/tests/meson.build
@@ -8,6 +8,7 @@ test_env = [
   'PYTHONDONTWRITEBYTECODE=yes',
   'MALLOC_CHECK_=2',
   'NO_AT_BRIDGE=1',
+  'CALLS_SIP_DO_NOT_AUTOLOAD=1',
 ]
 
 test_cflags = [