diff --git a/scripts/fzf-bash-history.sh b/scripts/fzf-bash-history.sh
index 16d1c85..d52ec6f 100644
--- a/scripts/fzf-bash-history.sh
+++ b/scripts/fzf-bash-history.sh
@@ -23,7 +23,7 @@ function __search-history {
     READLINE_POINT=$((0 + ${#command}))
 }
 
-if [[ "$-" == *i* ]] && which fzf &>/dev/null; then
+if [[ "$-" == *i* ]] && $(which fzf &>/dev/null); then
     bind -r "\C-r"
     bind -x '"\C-r": __search-history'
 fi