diff --git a/deb/postinst b/deb/postinst
index b908344..68d690d 100755
--- a/deb/postinst
+++ b/deb/postinst
@@ -1,5 +1,5 @@
 #!/bin/bash
-pip3 install huey=0.4.9
+pip3 install huey==0.4.9
 pip3 install redis
 
 systemctl enable tisbackup_huey