diff --git a/src/lib/aqdiagram/placement/o_mlayout_p.h b/src/lib/aqdiagram/placement/o_mlayout_p.h
index 3740750..dd8ef9e 100644
--- a/src/lib/aqdiagram/placement/o_mlayout_p.h
+++ b/src/lib/aqdiagram/placement/o_mlayout_p.h
@@ -9,9 +9,7 @@
 #ifndef AQDG_PLACEMENT_O_MLAYOUT_P_H
 #define AQDG_PLACEMENT_O_MLAYOUT_P_H
 
-#include <aqdiagram/aqdg_api.h>
-
-#include <aqdiagram/placement/object.h>
+#include <aqdiagram/placement/o_mlayout.h>
 
 
 typedef struct AQDG_OBJECT_MLAYOUT AQDG_OBJECT_MLAYOUT;