diff --git a/backup.sh b/backup.sh
index 382ddc6..e7205ae 100755
--- a/backup.sh
+++ b/backup.sh
@@ -34,7 +34,7 @@ SNAPSHOT_DATASETS=""
 
 debug()
 {
-    if [ "$ZB_DEBUG_MODE" = "TRUE" ]; then
+    if [ "$ZB_VERBOSE" = "TRUE" ]; then
         echo $@
     fi
 }
@@ -261,12 +261,12 @@ while :; do
             ZB_TEST_MODE=TRUE
             echo Test mode.
         ;;
-        -d)
-            ZB_DEBUG_MODE=TRUE
+        -v)
+            ZB_VERBOSE=TRUE
             ZFS_SEND_OPTS="$ZFS_SEND_OPTS -v"
             # Current on by default.
             # ZFS_RECV_OPTS="$ZFS_RECV_OPTS -v"
-            echo Debug mode.
+            echo Verbose mode.
         ;;
         --) shift; break ;;
     esac