diff --git a/qzsec/access-client/access-client b/qzsec/access-client/access-client
index 2bed3d6..a68e211 100644
--- a/qzsec/access-client/access-client
+++ b/qzsec/access-client/access-client
@@ -2,6 +2,19 @@
 
 URL="$1"
 
+if [ "$URL" == "" ]; then
+    echo "Usage: $0 accessclient://<args>"
+    sleep 5
+    exit 1
+fi
+
+if [ ! "$URL" == "accessclient://"* ]; then
+    echo "Invalid URL, should be accessclient://"
+    sleep 5
+    exit 1
+fi
+
+
 ARGS=$(echo $URL | sed 's|accessclient://||' | base64 -d | minideflate -d )
 
 APP=$(echo $ARGS | jq -r.app)
diff --git a/qzsec/access-client/access-client.desktop b/qzsec/access-client/access-client.desktop
index 7816330..a38e71f 100644
--- a/qzsec/access-client/access-client.desktop
+++ b/qzsec/access-client/access-client.desktop
@@ -10,4 +10,4 @@ Categories=System;ConsoleOnly;
 Keywords=system;h3c;
 NoDisplay=true
 Exec=@EXEC %u
-MimeType=application/x-accessclient;
\ No newline at end of file
+MimeType=application/x-accessclient;x-scheme-handler/accessclient;
\ No newline at end of file