diff --git a/bindings/rig.swg b/bindings/rig.swg
index 4fe50342f..cd30821c2 100644
--- a/bindings/rig.swg
+++ b/bindings/rig.swg
@@ -383,7 +383,7 @@ typedef channel_t * const_channel_t_p;
 	METHOD2(set_ant, ant_t, value_t)
 	METHOD2(set_func, setting_t, int)
 	METHOD2(set_ext_func, hamlib_token_t, int)
-	METHOD3(set_bank, int)
+	METHOD1(set_bank, int)
 	METHOD3(set_mem, int)
 	METHOD1(send_dtmf, const_char_string)
 	METHOD1(send_morse, const_char_string)