diff --git a/qzsec/access-client/access-client b/qzsec/access-client/access-client
index a0e8fbf..e37ca3c 100644
--- a/qzsec/access-client/access-client
+++ b/qzsec/access-client/access-client
@@ -39,10 +39,7 @@ elif [ "$APP" == "filezilla" ]; then
     PORT_NUM=$(echo $ARGS | jq -r .Port)
     USERNAME=$(echo $ARGS | jq -r .User)
     PASSWORD=$(echo $ARGS | jq -r .PWD)
-
-    filebinary=$(which org.filezillaproject.Filezilla || which filezilla )
-    
-    "$filebinary" "sftp://$USERNAME:$PASSWORD@$HOSTNAME:$PORT_NUM"
+    filezilla "sftp://$USERNAME:$PASSWORD@$HOSTNAME:$PORT_NUM"
 else
     echo "Unsupported app."
     sleep 5
diff --git a/qzsec/access-client/package.nix b/qzsec/access-client/package.nix
index 31ca058..6462143 100644
--- a/qzsec/access-client/package.nix
+++ b/qzsec/access-client/package.nix
@@ -8,6 +8,7 @@
   openssh,
   which,
   xdg-terminal-exec,
+  filezilla,
   ...
 }:
 let
@@ -25,6 +26,8 @@ stdenv.mkDerivation rec {
     coreutils
     openssh
     xdg-terminal-exec
+    filezilla
+    which
   ];
 
   nativeBuildInputs = [
@@ -36,13 +39,13 @@ stdenv.mkDerivation rec {
 
   installPhase = ''
     mkdir -p $out/bin
-    sed "/^export PATH=/s|@PATH|${coreutils}/bin:${jq}/bin:${passh}/bin:${zlib-ng.bin}/bin:${openssh}/bin:${xdg-terminal-exec}/bin|" "${bin}" > $out/bin/${pname}
+    sed "/^export PATH=/s|@PATH|${which}/bin:${coreutils}/bin:${jq}/bin:${passh}/bin:${zlib-ng.bin}/bin:${openssh}/bin:${xdg-terminal-exec}/bin:${filezilla}/bin|" "${bin}" > $out/bin/${pname}
     chmod +x $out/bin/${pname}
 
     mkdir -p $out/share/applications
     cat "${desktop}" | sed "/^Exec=/s|@EXEC|$out/bin/${pname}|" > "$out/share/applications/${pname}.desktop"
 
     echo "PATH: $PATH"
-    which jq && which minideflate && which passh && which ssh && which xdg-terminal-exec || exit 1
+    which which && which jq && which minideflate && which passh && which ssh && which xdg-terminal-exec || exit 1
   '';
 }