diff --git a/usr.bin/top/machine.c b/usr.bin/top/machine.c
index 7525589c691..33c621e5aae 100644
--- a/usr.bin/top/machine.c
+++ b/usr.bin/top/machine.c
@@ -219,7 +219,9 @@ struct statics *statics;
     }
     if (namelength < 8)
 	namelength = 8;
-    if (namelength > 15)
+    if (smpmode && namelength > 13)
+	namelength = 13;
+    else if (namelength > 15)
 	namelength = 15;
 
     if ((kd = kvm_open("/dev/null", "/dev/null", "/dev/null", O_RDONLY, "kvm_open")) == NULL)