diff --git a/src/python_api.c b/src/python_api.c
index 571809a..cc35fbe 100644
--- a/src/python_api.c
+++ b/src/python_api.c
@@ -27,7 +27,7 @@
 
 extern Tox       *user_tox;
 
-struct python_registered_func {
+static struct python_registered_func {
     char     *name;
     char     *help;
     PyObject *callback;