diff --git a/res/res_calendar_caldav.c b/res/res_calendar_caldav.c
index 0d938d2959..16e0306d91 100644
--- a/res/res_calendar_caldav.c
+++ b/res/res_calendar_caldav.c
@@ -21,6 +21,7 @@
  */
 
 /*** MODULEINFO
+	<depend>res_calendar</depend>
 	<depend>neon</depend>
 	<depend>ical</depend>
 	<depend>libxml2</depend>
diff --git a/res/res_calendar_ews.c b/res/res_calendar_ews.c
index c45ac0b754..76e07e9b3f 100644
--- a/res/res_calendar_ews.c
+++ b/res/res_calendar_ews.c
@@ -21,6 +21,7 @@
  */
 
 /*** MODULEINFO
+	<depend>res_calendar</depend>
 	<depend>neon29</depend>
 	<support_level>core</support_level>
 ***/
diff --git a/res/res_calendar_exchange.c b/res/res_calendar_exchange.c
index e8c80cd5ae..d2edd017dd 100644
--- a/res/res_calendar_exchange.c
+++ b/res/res_calendar_exchange.c
@@ -21,6 +21,7 @@
  */
 
 /*** MODULEINFO
+	<depend>res_calendar</depend>
 	<depend>neon</depend>
 	<depend>ical</depend>
 	<depend>iksemel</depend>
diff --git a/res/res_calendar_icalendar.c b/res/res_calendar_icalendar.c
index e5d80b4b8e..ff212a0f1c 100644
--- a/res/res_calendar_icalendar.c
+++ b/res/res_calendar_icalendar.c
@@ -21,6 +21,7 @@
  */
 
 /*** MODULEINFO
+	<depend>res_calendar</depend>
 	<depend>neon</depend>
 	<depend>ical</depend>
 	<support_level>core</support_level>