diff --git a/src/utils/gzip.h b/src/utils/gzip.h
index 03c0891e..a035f2bf 100644
--- a/src/utils/gzip.h
+++ b/src/utils/gzip.h
@@ -2,6 +2,7 @@
 #define RTORRENT_UTILS_GZIP_H
 
 #include <functional>
+#include <vector>
 
 namespace utils {