--- a/Python/pythonrun.c
+++ b/Python/pythonrun.c
@@ -71,6 +71,7 @@ extern int _PyUnicode_Init(void);
 extern void _PyUnicode_Fini(void);
 extern int _PyLong_Init(void);
 extern void PyLong_Fini(void);
+extern void _PyRandom_Init(void);
 extern int _PyFaulthandler_Init(void);
 extern void _PyFaulthandler_Fini(void);
 
@@ -219,6 +220,8 @@ Py_InitializeEx(int install_sigs)
     if ((p = Py_GETENV("PYTHONDONTWRITEBYTECODE")) && *p != '\0')
         Py_DontWriteBytecodeFlag = add_flag(Py_DontWriteBytecodeFlag, p);
 
+    _PyRandom_Init();
+
     interp = PyInterpreterState_New();
     if (interp == NULL)
         Py_FatalError("Py_Initialize: can't make first interpreter");