diff --git a/completions/sysbench b/completions/sysbench
index a6a45a71e72..7f9e87e0041 100644
--- a/completions/sysbench
+++ b/completions/sysbench
@@ -104,7 +104,7 @@ _comp_cmd_sysbench()
     local i test="" has_test=""
     for ((i = 1; i < ${#words[@]} - 1; i++)); do
         # TODO --test= is deprecated, bare test name preferred
-        if [[ ${words[i]} == --test* ]]; then
+        if [[ ${words[i]} == --test=* ]]; then
             test=${words[i]#*=}
             has_test=set
             break