diff --git a/tasks/main.yml b/tasks/main.yml
index e262adb..d5c0f02 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -47,7 +47,7 @@
   args:
     chdir: "~/.acme.sh"
   when:
-    - acme_sh_upgrade
+    - acme_sh_upgrade|bool
     - is_acme_sh_installed.stat.exists
     - not acme_sh_uninstall
   register: upgrade_result
@@ -68,7 +68,7 @@
   args:
     chdir: "~/.acme.sh"
   when:
-    - acme_sh_uninstall
+    - acme_sh_uninstall|bool
     - is_acme_sh_installed.stat.exists
   become_user: "{{ acme_sh_become_user }}"
 
@@ -116,7 +116,7 @@
     - "{{ acme_sh_git_clone_dest }}"
     - "~/.acme.sh"
   when:
-    - acme_sh_uninstall
+    - acme_sh_uninstall|bool
   become_user: "{{ acme_sh_become_user }}"
 
 - name: Run custom acme.sh command