diff --git a/kalarm.spec b/kalarm.spec
index a76f407..efffa48 100644
--- a/kalarm.spec
+++ b/kalarm.spec
@@ -68,7 +68,7 @@ KAlarm is a personal alarm message, command and email scheduler.
 
 %build
 %cmake_kf6 \
-  -DENABLE_WAKE_FROM_SUSPEND:BOOL=%{!?flatpak:ON}%{?flatpak:OFF} \
+  -DENABLE_RTC_WAKE_FROM_SUSPEND:BOOL=%{!?flatpak:ON}%{?flatpak:OFF} \
   -DWITHOUT_X11=ON
 
 %cmake_build