diff --git a/src/kits/interface/OutlineListView.cpp b/src/kits/interface/OutlineListView.cpp
index 7faaa29122..4ee6d81da9 100644
--- a/src/kits/interface/OutlineListView.cpp
+++ b/src/kits/interface/OutlineListView.cpp
@@ -28,6 +28,7 @@
 
 // System Includes -------------------------------------------------------------
 #include <OutlineListView.h>
+#include <stdio.h>
 
 // Project Includes ------------------------------------------------------------
 
diff --git a/src/kits/interface/interface.src b/src/kits/interface/interface.src
index a1c0fe9083..18f6282b5f 100644
--- a/src/kits/interface/interface.src
+++ b/src/kits/interface/interface.src
@@ -26,6 +26,7 @@ INTERFACE_KIT_SOURCE =
 	MenuWindow.cpp
 	OptionControl.cpp
 	OptionPopUp.cpp
+	OutlineListView.cpp
 	Picture.cpp
 	PictureButton.cpp
 	Point.cpp