diff --git a/completions/sysbench b/completions/sysbench
index 06acdc40..7781791e 100644
--- a/completions/sysbench
+++ b/completions/sysbench
@@ -8,8 +8,8 @@ have sysbench &&
 _sysbench()
 {
     COMPREPLY=()
-    local cur prev words cword split=false
-    _get_comp_words_by_ref -n = cur prev words cword
+    local cur prev words split=false
+    _get_comp_words_by_ref -n = cur prev words
 
     # long options need the "=" (whitespace split doesn't work), but we split
     # internally to make processing easier