1 files changed, 1 insertions, 0 deletions

diff --git a/opl/opl.c b/opl/opl.c
index 9afdd980..8f75241b 100644
--- a/opl/opl.c
+++ b/opl/opl.c
@@ -25,6 +25,7 @@
 
 #include "config.h"
 
+#include <stdio.h>
 #include <stdlib.h>
 
 #include "opl.h"