1 files changed, 1 insertions, 0 deletions

diff --git a/entropy.c b/entropy.c
index c89e0b52..4f19c876 100644
--- a/entropy.c
+++ b/entropy.c
@@ -34,6 +34,7 @@
 #ifdef HAVE_FCNTL_H
 # include <fcntl.h>
 #endif
+#include <stdarg.h>
 #include <unistd.h>
 
 #include <openssl/rand.h>