diff --git a/src/utils/ast/ast_end.h b/src/utils/ast/ast_end.h
index e4e16c8..f86e477 100644
--- a/src/utils/ast/ast_end.h
+++ b/src/utils/ast/ast_end.h
@@ -15,6 +15,6 @@ bool ast_is_end(struct ast *node);
  * Creates a new AST node representing the end of input.
  * WARNING: data will be a NULL pointer
  */
-struct ast *ast_create_end(end);
+struct ast *ast_create_end(void);
 
 #endif /* ! AST_END_H */