diff --git a/src/errors.h b/src/errors.h
index b0b4194..65450ce 100644
--- a/src/errors.h
+++ b/src/errors.h
@@ -329,3 +329,5 @@
 	INIT(= N_("E1148: Cannot index a %s"));
 EXTERN char e_script_variable_invalid_after_reload_in_function_str[]
 	INIT(= N_("E1149: Script variable is invalid after reload in function %s"));
+EXTERN char e_script_variable_type_changed[]
+	INIT(= N_("E1150: Script variable type changed"));