diff --git a/parse.y b/parse.y
index 3a21e2f881..931806d646 100644
--- a/parse.y
+++ b/parse.y
@@ -14039,7 +14039,7 @@ reduce_nodes(struct parser_params *p, NODE **body)
      (reduce_nodes(p, &type(node)->n1), body = &type(node)->n2, 1))
 
     while (node) {
-        int newline = (int)(nd_fl_newline(node));
+        int newline = (int)nd_fl_newline(node);
         switch (nd_type(node)) {
           end:
           case NODE_NIL:
diff --git a/rubyparser.h b/rubyparser.h
index 62f742eca1..20873c3d9c 100644
--- a/rubyparser.h
+++ b/rubyparser.h
@@ -1166,9 +1166,9 @@ typedef struct RNode_ERROR {
 #define NODE_TYPESHIFT 8
 #define NODE_TYPEMASK  (((VALUE)0x7f)<<NODE_TYPESHIFT)
 
-#define nd_fl_newline(n) (n)->flags & NODE_FL_NEWLINE
-#define nd_set_fl_newline(n) (n)->flags |= NODE_FL_NEWLINE
-#define nd_unset_fl_newline(n) (n)->flags &= ~NODE_FL_NEWLINE
+#define nd_fl_newline(n) ((n)->flags & NODE_FL_NEWLINE)
+#define nd_set_fl_newline(n) ((n)->flags |= NODE_FL_NEWLINE)
+#define nd_unset_fl_newline(n) ((n)->flags &= ~NODE_FL_NEWLINE)
 
 #define nd_type(n) ((int) ((RNODE(n)->flags & NODE_TYPEMASK)>>NODE_TYPESHIFT))
 #define nd_set_type(n,t) \