diff --git a/server/core/test/testlogthrottling.cc b/server/core/test/testlogthrottling.cc
index cd398f5a4..de78bdff7 100644
--- a/server/core/test/testlogthrottling.cc
+++ b/server/core/test/testlogthrottling.cc
@@ -20,6 +20,7 @@
 #include <pthread.h>
 #include <semaphore.h>
 #include <maxscale/log_manager.h>
+#include <maxscale/random_jkiss.h>
 
 using std::cerr;
 using std::cout;
@@ -152,7 +153,7 @@ int main(int argc, char* argv[])
     int rc;
 
     std::ios::sync_with_stdio();
-
+    random_jkiss_init();
     rc = sem_init(&u_semstart, 0, 0);
     ensure(rc == 0);
 
diff --git a/server/core/test/testqueuemanager.c b/server/core/test/testqueuemanager.c
index a11955b06..ce132565e 100644
--- a/server/core/test/testqueuemanager.c
+++ b/server/core/test/testqueuemanager.c
@@ -66,6 +66,7 @@ test1()
     int input_counter = 0;
     int output_counter = 0;
 
+    random_jkiss_init();
     hkheartbeat = 0;
 
     queue = mxs_queue_alloc(TEST_QUEUE_SIZE, HEARTBEATS_TO_EXPIRE);