diff --git a/group_vars/all.yml b/group_vars/all.yml
index 504b203..9487dde 100644
--- a/group_vars/all.yml
+++ b/group_vars/all.yml
@@ -118,7 +118,7 @@ gnome_extensions:
   - no-overview@fthx
 
 macos:
-  hostname: "maximus"
+  hostname: "{{ macos_hostname }}"
   dock_apps:
     - /System/Applications/Calendar.app
     - /Applications/Todoist.app
diff --git a/roles/macos_02_packages/tasks/main.yml b/roles/macos_02_packages/tasks/main.yml
index 6411bf9..180efb4 100644
--- a/roles/macos_02_packages/tasks/main.yml
+++ b/roles/macos_02_packages/tasks/main.yml
@@ -7,3 +7,4 @@
   community.general.mas:
     id: "{{ macos.mas_remove }}"
     state: absent
+  become: true
diff --git a/roles/macos_04_tweaks/tasks/main.yml b/roles/macos_04_tweaks/tasks/main.yml
index f0fb109..e3edf89 100644
--- a/roles/macos_04_tweaks/tasks/main.yml
+++ b/roles/macos_04_tweaks/tasks/main.yml
@@ -3,8 +3,8 @@
   community.general.osx_defaults:
     domain: com.apple.dock
     key: tilesize
-    type: int
-    value: 36
+    type: float
+    value: 36.0
     state: present
 
 - name: Set dock orientation
diff --git a/run-macos.sh b/run-macos.sh
index df10625..335de2c 100755
--- a/run-macos.sh
+++ b/run-macos.sh
@@ -1,8 +1,31 @@
 #!/usr/bin/env -S bash -i
 
 if [[ -z "${ANSIBLE_BECOME_PASS}" ]]; then
-    echo "ANSIBLE_BECOME_PASS is not set. Exiting."
+    echo "ANSIBLE_BECOME_PASS is not set. Please configure your .env correctly. Exiting."
     exit 1
 fi
 
-ansible-playbook macos.yml -e "ansible_become_pass=${ANSIBLE_BECOME_PASS}"
\ No newline at end of file
+while getopts "h:" opt; do
+    case ${opt} in
+        h )
+            MACOS_HOSTNAME=$OPTARG
+            ;;
+        \? )
+            echo "Invalid option: -$OPTARG" 1>&2
+            exit 1
+            ;;
+        : )
+            echo "Invalid option: -$OPTARG requires an argument" 1>&2
+            exit 1
+            ;;
+    esac
+done
+
+if [[ -z "${MACOS_HOSTNAME}" ]]; then
+    echo "The -h option is required. Exiting."
+    exit 1
+else
+    echo "Setting hostname to ${MACOS_HOSTNAME}"
+fi
+
+ansible-playbook macos.yml -e "ansible_become_pass=${ANSIBLE_BECOME_PASS} macos_hostname=${MACOS_HOSTNAME}"
\ No newline at end of file