1 files changed, 1 insertions, 0 deletions

diff --git a/auth-pam.c b/auth-pam.c
index 8e9361ca..493993a1 100644
--- a/auth-pam.c
+++ b/auth-pam.c
@@ -54,6 +54,7 @@
 
 #include <errno.h>
 #include <signal.h>
+#include <stdarg.h>
 #include <string.h>
 #include <unistd.h>