diff --git a/node.h b/node.h
index 29eaafd3ec..59a0e06d7e 100644
--- a/node.h
+++ b/node.h
@@ -224,7 +224,7 @@ enum node_type {
 
 typedef struct RNode {
     VALUE flags;
-    VALUE nd_reserved;		/* ex nd_file */
+    VALUE nd_location;		/* lineno and column */
     union {
 	struct RNode *node;
 	ID id;
@@ -270,13 +270,13 @@ typedef struct RNode {
 #define nd_line(n) (int)(((SIGNED_VALUE)RNODE(n)->flags)>>NODE_LSHIFT)
 #define nd_set_line(n,l) \
     RNODE(n)->flags=((RNODE(n)->flags&~((VALUE)(-1)<<NODE_LSHIFT))|((VALUE)((l)&NODE_LMASK)<<NODE_LSHIFT))
-#define nd_column(n) (int)(RNODE(n)->nd_reserved & 0xffff)
+#define nd_column(n) (int)(RNODE(n)->nd_location & 0xffff)
 #define nd_set_column(n, v) \
-    RNODE(n)->nd_reserved = (RNODE(n)->nd_reserved & ~0xffff) | ((v) > 0xffff ? 0xffff : ((unsigned int)(v)) & 0xffff)
+    RNODE(n)->nd_location = (RNODE(n)->nd_location & ~0xffff) | ((v) > 0xffff ? 0xffff : ((unsigned int)(v)) & 0xffff)
 
-#define nd_lineno(n) (int)((RNODE(n)->nd_reserved >> 16) & 0xffff)
+#define nd_lineno(n) (int)((RNODE(n)->nd_location >> 16) & 0xffff)
 #define nd_set_lineno(n, v) \
-    RNODE(n)->nd_reserved = (RNODE(n)->nd_reserved & ~0xffff0000) | (((v) > 0xffff ? 0xffff : ((unsigned int)(v)) & 0xffff) << 16)
+    RNODE(n)->nd_location = (RNODE(n)->nd_location & ~0xffff0000) | (((v) > 0xffff ? 0xffff : ((unsigned int)(v)) & 0xffff) << 16)
 
 #define nd_head  u1.node
 #define nd_alen  u2.argc