diff --git a/src/libs/types.h b/src/libs/types.h
index 54e4232..b35bbae 100644
--- a/src/libs/types.h
+++ b/src/libs/types.h
@@ -24,6 +24,7 @@
 #include <stdio.h>
 #include <stdbool.h>
 #include <stdint.h>
+#include <sys/types.h>
 
 
 typedef long long sll;