diff --git a/tests/testRiemannExact.c b/tests/testRiemannExact.c
index a3e70789cfc31609a0657f6521cde7d3a3f1d867..b72b7b6ce9d7fb4c6f7449af73c6a67ce4d8d1e7 100644
--- a/tests/testRiemannExact.c
+++ b/tests/testRiemannExact.c
@@ -406,7 +406,7 @@ int main() {
   srand(seed);
 
   /* check the exact Riemann solver */
-  // check_riemann_exact();
+  check_riemann_exact();
 
   /* symmetry test */
   for (int i = 0; i < 100000; ++i) {