1 files changed, 1 insertions, 0 deletions

diff --git a/neg.c b/neg.c
index 6a85f3971..80cf0e794 100644
--- a/neg.c
+++ b/neg.c
@@ -1,3 +1,4 @@
+#include <stdio.h>
 #include "gmp.h"
 #include "gmp-impl.h"
 #include "mpfr.h"