1 files changed, 1 insertions, 0 deletions
diff --git a/src/serdi.c b/src/serdi.c
index 0d0bce04..1272a70b 100644
--- a/src/serdi.c
+++ b/src/serdi.c
@@ -27,6 +27,7 @@
 #include <string.h>
 
 #include "string_utils.h"
+#include "system.h"
 #include "world.h"
 
 #define SERDI_ERROR(msg)       fprintf(stderr, "serdi: " msg);