--- a/lib/randutils.c
+++ b/lib/randutils.c
@@ -25,6 +25,11 @@
 #define THREAD_LOCAL static
 #endif
 
+/* force /dev/urandom to avoid hanging on early boot */
+#undef HAVE_GETRANDOM
+#undef SYS_getrandom
+#undef __NR_getrandom
+
 #ifdef HAVE_GETRANDOM
 # include <sys/random.h>
 #elif defined (__linux__)
