diff --git a/openbsc/src/gprs/sgsn_main.c b/openbsc/src/gprs/sgsn_main.c
index c852840..4475136 100644
--- a/openbsc/src/gprs/sgsn_main.c
+++ b/openbsc/src/gprs/sgsn_main.c
@@ -21,6 +21,7 @@
 
 #include <unistd.h>
 #include <stdio.h>
+#include <time.h>
 #include <stdlib.h>
 #include <string.h>
 #include <getopt.h>
@@ -306,6 +307,7 @@
 	struct gsm_network dummy_network;
 	int rc;
 
+	srand(time(NULL));
 	tall_bsc_ctx = talloc_named_const(NULL, 0, "osmo_sgsn");
 	tall_msgb_ctx = talloc_named_const(tall_bsc_ctx, 0, "msgb");