diff --git a/src/sequencer/snc.y b/src/sequencer/snc.y
index 21b1cf715..23ed4b55a 100644
--- a/src/sequencer/snc.y
+++ b/src/sequencer/snc.y
@@ -42,7 +42,7 @@
 #ifndef	TRUE
 #define	TRUE	1
 #define	FALSE	0
-#endif	TRUE
+#endif /* TRUE */
 
 extern	int line_num; /* input file line no. */
 %}