diff --git a/tests/testplan.cpp b/tests/testplan.cpp
index e73070439..753550016 100644
--- a/tests/testplan.cpp
+++ b/tests/testplan.cpp
@@ -2,6 +2,7 @@
 #include "testplan.h"
 #include "planner.h"
 #include "units.h"
+#include "subsurfacestartup.h"
 #include "qthelper.h"
 #include <QDebug>