diff --git a/unit/ctest_wv_euler_cu.cu b/unit/ctest_wv_euler_cu.cu
index 1046cfd95..ad430d996 100644
--- a/unit/ctest_wv_euler_cu.cu
+++ b/unit/ctest_wv_euler_cu.cu
@@ -71,8 +71,8 @@ void ker_cu_wv_euler_test(const struct gkyl_wv_eqn *eqn, int *nfail)
 
   double q_l[5], q_g[5];
   for (int d=0; d<3; ++d) {
-    eqn->rotate_to_local_func(tau1[d], tau2[d], norm[d], q, q_l);
-    eqn->rotate_to_global_func(tau1[d], tau2[d], norm[d], q_l, q_g);
+    eqn->rotate_to_local_func(eqn, tau1[d], tau2[d], norm[d], q, q_l);
+    eqn->rotate_to_global_func(eqn, tau1[d], tau2[d], norm[d], q_l, q_g);
 
     for (int m=0; m<5; ++m) GKYL_CU_CHECK( q[m] == q_g[m], nfail );
   }