Fix sparse matrix times sparse vector.
diff --git a/test/sparse_vector.cpp b/test/sparse_vector.cpp
index 0c94768..5eea9ed 100644
--- a/test/sparse_vector.cpp
+++ b/test/sparse_vector.cpp
@@ -71,6 +71,7 @@
   VERIFY_IS_APPROX(v1.dot(v2), refV1.dot(refV2));
   VERIFY_IS_APPROX(v1.dot(refV2), refV1.dot(refV2));
 
+  VERIFY_IS_APPROX(m1*v2, refM1*refV2);
   VERIFY_IS_APPROX(v1.dot(m1*v2), refV1.dot(refM1*refV2));
   int i = internal::random<int>(0,rows-1);
   VERIFY_IS_APPROX(v1.dot(m1.col(i)), refV1.dot(refM1.col(i)));