diff --git a/bin/qemush b/bin/qemush
index 60b373e..e0a8b1d 100755
--- a/bin/qemush
+++ b/bin/qemush
@@ -12,7 +12,7 @@ alias ls='ls --color=auto'
 shopt -s expand_aliases
 
 # Set a restrictive umask to make sure qemu user files are private
-umask 027
+umask 7027
 
 # Function to print a colored error
 perror() {