diff --git a/prism/src/sparse/PS_NondetMultiReachReward1.cc b/prism/src/sparse/PS_NondetMultiReachReward1.cc
index 9b282601..1050a246 100644
--- a/prism/src/sparse/PS_NondetMultiReachReward1.cc
+++ b/prism/src/sparse/PS_NondetMultiReachReward1.cc
@@ -34,6 +34,7 @@
 #include <odd.h>
 #include <dv.h>
 #include "sparse.h"
+#include "sparse_adv.h"
 #include "prism.h"
 #include "PrismSparseGlob.h"
 #include "PrismNativeGlob.h"