diff --git a/src/freedombone-keydrive b/src/freedombone-keydrive
index 7f36e610..eddd0689 100755
--- a/src/freedombone-keydrive
+++ b/src/freedombone-keydrive
@@ -142,8 +142,8 @@ if [[ $MASTER_DRIVE == "yes" || $MASTER_DRIVE == "y" || $MASTER_DRIVE == "1" ]];
     export GPG_TTY
 
     USER_EMAIL_ADDRESS=$MY_USERNAME@$HOSTNAME
-    GPG_ID=$(su -m root -c "gpg --list-keys $USER_EMAIL_ADDRESS | sed -n '2p' | sed 's/^[ \t]*//'" - $MY_USERNAME)
-    GPG_BACKUP_ID=$(su -m root -c "gpg --list-keys \"(backup key)\" | sed -n '2p' | sed 's/^[ \t]*//'" - $MY_USERNAME)
+    GPG_ID=$(su -m root -c "gpg --list-keys $USER_EMAIL_ADDRESS | sed -n '2p' | sed 's/^[ \\t]*//'" - "$MY_USERNAME")
+    GPG_BACKUP_ID=$(su -m root -c "gpg --list-keys \"(backup key)\" | sed -n '2p' | sed 's/^[ \\t]*//'" - "$MY_USERNAME")
 
     gpgerrstr=$'error'
     gpgkey=$(gpg --homedir="/home/$MY_USERNAME/.gnupg" --armor --export "$GPG_ID")