diff --git a/src/prelude-manager.c b/src/prelude-manager.c
index 71062c1..c9964ec 100644
--- a/src/prelude-manager.c
+++ b/src/prelude-manager.c
@@ -32,6 +32,7 @@
 #include <signal.h>
 #include <assert.h>
 #include <pthread.h>
+#include "ltdl.h"
 
 #include <libprelude/prelude.h>
 #include <libprelude/prelude-log.h>