1 files changed, 1 insertions, 0 deletions
diff --git a/time.c b/time.c
index ba4c69ef0..a84c6f3d9 100644
--- a/time.c
+++ b/time.c
@@ -12,6 +12,7 @@
 #include "ruby/ruby.h"
 #include <sys/types.h>
 #include <time.h>
+#include <errno.h>
 #include "ruby/encoding.h"
 
 #ifdef HAVE_UNISTD_H