diff --git a/glib/poppler-page.cc b/glib/poppler-page.cc
index 1025393..9fe4fc3 100644
--- a/glib/poppler-page.cc
+++ b/glib/poppler-page.cc
@@ -249,6 +249,7 @@ poppler_page_get_transition (PopplerPage *page)
 	  POPPLER_PAGE_TRANSITION_OUTWARD;
 
   transition->duration = trans->getDuration();
+  transition->duration_real = trans->getDuration();
   transition->angle = trans->getAngle();
   transition->scale = trans->getScale();
   transition->rectangular = trans->isRectangular();
diff --git a/glib/poppler-page.h b/glib/poppler-page.h
index 63fe362..fdbfd38 100644
--- a/glib/poppler-page.h
+++ b/glib/poppler-page.h
@@ -299,6 +299,7 @@ struct _PopplerPageTransition
   gint angle;
   gdouble scale;
   gboolean rectangular;
+  gdouble duration_real;
 };
 
 GType                  poppler_page_transition_get_type (void) G_GNUC_CONST;