1 files changed, 1 insertions, 0 deletions

diff --git a/coro.c b/coro.c
index 1d306b8..4ba6e14 100644
--- a/coro.c
+++ b/coro.c
@@ -49,6 +49,7 @@
 #if CORO_SJLJ || CORO_LOOSE || CORO_LINUX || CORO_IRIX
 
 #if CORO_SJLJ
+# include <stdio.h>
 # include <signal.h>
 #endif