diff --git a/scripts/postinst.sh b/scripts/postinst.sh
index b5aae20..cb8d61c 100644
--- a/scripts/postinst.sh
+++ b/scripts/postinst.sh
@@ -11,7 +11,7 @@ if [ -d $bashcompleteLoc ]; then
   ln -sf "$ybconDir/bash-completion.sh" "$bashcompleteLoc/ybcon.sh"
 fi
 
-if [ -f "fish" ]; then
+if [ -f "/usr/bin/fish" ]; then
   if [ ! -d $fishLoc ]; then
     mkdir "$fishLoc"
   fi