diff --git a/Manual.org b/Manual.org
index 06aec92..dae334a 100644
--- a/Manual.org
+++ b/Manual.org
@@ -3584,7 +3584,7 @@ wakeup_method: "acpiwakeup"
     - lineinfile:
         path: /etc/vdr/vdr-addon-acpiwakeup.conf
         regexp: '^ACPI_ENABLED='
-        line: 'ACPI_ENABLED=true'
+        line: 'ACPI_ENABLED="yes"'
 
   when: wakeup_method == "acpiwakeup"
 #+END_SRC
diff --git a/roles/wakeup/tasks/main.yml b/roles/wakeup/tasks/main.yml
index a5396c6..7395cdb 100644
--- a/roles/wakeup/tasks/main.yml
+++ b/roles/wakeup/tasks/main.yml
@@ -10,6 +10,6 @@
     - lineinfile:
         path: /etc/vdr/vdr-addon-acpiwakeup.conf
         regexp: '^ACPI_ENABLED='
-        line: 'ACPI_ENABLED=true'
+        line: 'ACPI_ENABLED="yes"'
 
   when: wakeup_method == "acpiwakeup"