diff --git a/test/dt_DrawTest.C b/test/dt_DrawTest.C
index 85ad578ab2ff5bc552d6947ea6bed64fc7db0c40..ce189fa1f2f758accebde77d1381a277fd8090a3 100644
--- a/test/dt_DrawTest.C
+++ b/test/dt_DrawTest.C
@@ -1,6 +1,7 @@
 #include "TTree.h"
 #include "TFile.h"
 #include "TList.h"
+#include "TROOT.h"
 #include <TBenchmark.h>
 
 int gHasLibrary = kFALSE;