diff --git a/pkg/fedora/diaspora-setup b/pkg/fedora/diaspora-setup
index a1df72fbc..0fa90dc9e 100755
--- a/pkg/fedora/diaspora-setup
+++ b/pkg/fedora/diaspora-setup
@@ -43,13 +43,14 @@ fi
 chmod 777 /var/lib/diaspora/uploads
 chown -R diaspora /var/log/diaspora
 
+hostname=$( awk '/pod_url:/ { print $2; exit }' <config/app_config.yml)
+
 if [ -n "$arg_hostname" ]; then
-    sed -i "/pod_url:/s/$hostname/$arg_hostname/g" config/app_config.yml &&
+    sed -i "/pod_url:/s|$hostname|$arg_hostname|g" config/app_config.yml &&
         echo "config/app_config.yml updated."
     exit 0
 fi
 
-hostname=$( awk '/pod_url:/ { print $2; exit }' <config/app_config.yml)
 while : ; do
     echo "Current hostname is \"$hostname\""
     echo -n "Enter new hostname [$hostname] :"
@@ -57,7 +58,7 @@ while : ; do
     echo -n "Use hostname \"$new_hostname\" as pod_url (Yes/No) [Yes]? :"
     read yesno garbage
     test "${yesno:0:1}" = 'y' -o "${yesno:0:1}" = 'Y' -o -z "$yesno" && {
-        sed -i "/pod_url:/s/$hostname/$new_hostname/g" config/app_config.yml &&
+        sed -i "/pod_url:/s|$hostname|$new_hostname|g" config/app_config.yml &&
             echo "config/app_config.yml updated."
         break
     }
diff --git a/pkg/ubuntu/diaspora-setup b/pkg/ubuntu/diaspora-setup
index 4b9207fd3..3f2c0266c 100755
--- a/pkg/ubuntu/diaspora-setup
+++ b/pkg/ubuntu/diaspora-setup
@@ -46,13 +46,14 @@ fi
 chmod 777 /var/lib/diaspora/uploads
 chown -R diaspora /var/log/diaspora
 
+hostname=$( awk '/pod_url:/ { print $2; exit }' <config/app_config.yml)
+
 if [ -n "$arg_hostname" ]; then
-    sed -i "/pod_url:/s/$hostname/$arg_hostname/g" config/app_config.yml &&
+    sed -i "/pod_url:/s|$hostname|$arg_hostname|g" config/app_config.yml &&
         echo "config/app_config.yml updated."
     exit 0
 fi
 
-hostname=$( awk '/pod_url:/ { print $2; exit }' <config/app_config.yml)
 while : ; do
     echo "Current hostname is \"$hostname\""
     echo -n "Enter new hostname [$hostname] :"
@@ -60,7 +61,7 @@ while : ; do
     echo -n "Use hostname \"$new_hostname\" as pod_url (Yes/No) [Yes]? :"
     read yesno garbage
     test "${yesno:0:1}" = 'y' -o "${yesno:0:1}" = 'Y' -o -z "$yesno" && {
-        sed -i "/pod_url:/s/$hostname/$new_hostname/g" config/app_config.yml &&
+        sed -i "/pod_url:/s|$hostname|$new_hostname|g" config/app_config.yml &&
             echo "config/app_config.yml updated."
         break
     }