diff --git a/Processes/Sibyll/testSibyll.cc b/Processes/Sibyll/testSibyll.cc
index 8c8ce3b5e69e563238fadc2416bd1f91351603ac..9b078fd087c16d6238837ce26783468640777054 100644
--- a/Processes/Sibyll/testSibyll.cc
+++ b/Processes/Sibyll/testSibyll.cc
@@ -13,6 +13,8 @@
 #include <corsika/process/sibyll/Interaction.h>
 #include <corsika/process/sibyll/ParticleConversion.h>
 
+#include <corsika/random/RNGManager.h>
+
 #include <corsika/particles/ParticleProperties.h>
 
 #include <corsika/geometry/Point.h>
@@ -109,6 +111,8 @@ TEST_CASE("SibyllInterface", "[processes]") {
   geometry::Line line(origin, v);
   geometry::Trajectory<geometry::Line> track(line, 10_s);
 
+  corsika::random::RNGManager::GetInstance().RegisterRandomStream("s_rndm");
+
   SECTION("InteractionInterface") {
 
     setup::Stack stack;