diff --git a/zathura/zathura.h b/zathura/zathura.h
index 65b8b04..84e0cb6 100644
--- a/zathura/zathura.h
+++ b/zathura/zathura.h
@@ -5,6 +5,7 @@
 
 #include <stdbool.h>
 #include <girara/types.h>
+#include <girara/session.h>
 #include <gtk/gtk.h>
 #ifdef GDK_WINDOWING_X11
 #include <gtk/gtkx.h>