diff --git a/res/res_calendar_caldav.c b/res/res_calendar_caldav.c
index ec9f0ac05c..b22c9583b1 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 cf0ddc2406..6359621780 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>extended</support_level>
 ***/
diff --git a/res/res_calendar_exchange.c b/res/res_calendar_exchange.c
index 99dc5e6eca..188b8cfc42 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 9efecdb623..0d2bd9b5fd 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>extended</support_level>