diff --git a/src/debug.c b/src/debug.c
index 5831e86..7c55b6e 100644
--- a/src/debug.c
+++ b/src/debug.c
@@ -49,6 +49,7 @@
 	DEBUG_CATEGORY(DRR,   "DRR",  "\033[1;34m", "")
 	DEBUG_CATEGORY(DRSL,  "DRSSL","\033[1;35m", "")
 	DEBUG_CATEGORY(DNM,   "DNM",  "\033[1;36m", "")
+	DEBUG_CATEGORY(DSMS,  "DSMS", "\033[1;37m", "")
 };
 
 static int use_color = 1;