diff --git a/usr.bin/gprof/arcs.c b/usr.bin/gprof/arcs.c
index c6e77103e739..b75cd55e9c85 100644
--- a/usr.bin/gprof/arcs.c
+++ b/usr.bin/gprof/arcs.c
@@ -646,6 +646,9 @@ compresslist()
     int		maxexitcnt;
     int		maxwithparentcnt;
     int		maxnoparentcnt;
+#   ifdef DEBUG
+	const char	*type;
+#   endif DEBUG
 
     maxexitcnt = 0;
     maxwithparentcnt = 0;