diff --git a/contrib/dsniff b/contrib/dsniff
index 055d2013..95875be3 100644
--- a/contrib/dsniff
+++ b/contrib/dsniff
@@ -7,11 +7,11 @@ _arpspoof()
 
     COMPREPLY=()
     cur=`_get_cword`
-    prev=${COMP_WORDS[COMP_CWORD-1]}
+    prev=`_get_pword`
 
     case $prev in
         -i)
-            _interfaces
+            _available_interfaces
             return 0
             ;;
         -t)