1 files changed, 1 insertions, 0 deletions
diff --git a/common.h b/common.h
index 1047e2f..fcafb53 100644
--- a/common.h
+++ b/common.h
@@ -7,6 +7,7 @@
 #include <limits.h>
 #include <pwd.h>
 #include <stdarg.h>
+#include <stddef.h>
 #include <stdint.h>
 #include <stdio.h>
 #include <stdlib.h>