diff --git a/binutils/ChangeLog b/binutils/ChangeLog
index 7222d9a1871..675050bce70 100644
--- a/binutils/ChangeLog
+++ b/binutils/ChangeLog
@@ -1,3 +1,7 @@
+2017-05-15  Jeff Law  <law@redhat.com>
+
+	* readelf.c (display_arc_attribute): Avoid implicit fallthru.
+
 2017-05-15  Maciej W. Rozycki  <macro@imgtec.com>
 
 	* testsuite/binutils-all/mips/mips16-undecoded.d: Add `-mips3'
diff --git a/binutils/readelf.c b/binutils/readelf.c
index 7ff29bc8ba1..bb6bb79d4e0 100644
--- a/binutils/readelf.c
+++ b/binutils/readelf.c
@@ -13586,10 +13586,11 @@ display_arc_attribute (unsigned char * p,
 	{
 	default:
 	  if (val > 0 && val < 16)
-	    {
 	      printf ("Core%d\n", val);
-	      break;
-	    }
+	  else
+	      printf ("Unknown\n");
+	  break;
+
 	case 0:
 	  printf (_("Absent\n"));
 	  break;