diff --git a/src/tests/libs/alm/TableDemo.cpp b/src/tests/libs/alm/TableDemo.cpp
index 9f428496c9..ffecbbc76d 100644
--- a/src/tests/libs/alm/TableDemo.cpp
+++ b/src/tests/libs/alm/TableDemo.cpp
@@ -13,6 +13,9 @@
 
 #include "ALMLayout.h"
 
+#include "Row.h"
+#include "Column.h"
+
 
 class TableDemoWindow : public BWindow {
 public: