diff --git a/completions/isql b/completions/isql
index 43cd6dd3..9ec9f165 100644
--- a/completions/isql
+++ b/completions/isql
@@ -7,7 +7,7 @@ _isql()
     _init_completion || return
 
     [[ -f $ODBCINI ]] \
-        && COMPREPLY=( $( command grep \\["$cur" "$ODBCINI" | tr -d \\[\\] ) )
+        && COMPREPLY=( $( command grep "\[$cur" "$ODBCINI" | tr -d \[\] ) )
 } &&
 complete -F _isql isql