diff --git a/psycopg/connection_type.c b/psycopg/connection_type.c
index 4399c08675cb7e7f91d84031ed498d9184e3e2d8..287e7d3f6cf54943d945a0f267d88c0f1ebab979 100644
--- a/psycopg/connection_type.c
+++ b/psycopg/connection_type.c
@@ -1440,9 +1440,7 @@ connection_setup(connectionObject *self, const char *dsn, long int async)
     Py_END_ALLOW_THREADS;
     
     pthread_mutex_lock(&self->lock);
-    if (register_type_uint(self, &tstate)) {
-        goto exit;
-    }
+    register_type_uint(self, &tstate);
     if (tstate) {
         free(tstate);
         tstate = NULL;