diff --git a/src/cal_tools/tools.py b/src/cal_tools/tools.py
index d93c763a3f869572b51598f7f92cbe901df7335d..615047957eea9b0f42b232902fbacfe74f0918af 100644
--- a/src/cal_tools/tools.py
+++ b/src/cal_tools/tools.py
@@ -438,7 +438,7 @@ def get_random_db_interface(cal_db_interface):
     """
     # Initialize the random generator with a random seed value,
     # in case the function was executed within a multiprocessing pool.
-    np.random.seed(int.from_bytes(os.urandom(4), byteorder='little'))
+    np.random.seed()
     if "#" in cal_db_interface:
         prot, serv, ran = cal_db_interface.split(":")
         r1, r2 = ran.split("#")