diff --git a/src/lib66/write/write_common.c b/src/lib66/write/write_common.c
index 8f2273929b1b8380c1106910057e7bc7622807f5..703ef41f1a93bf9731744b587d83322e9d434981 100644
--- a/src/lib66/write/write_common.c
+++ b/src/lib66/write/write_common.c
@@ -26,6 +26,7 @@
 
 #include <skalibs/stralloc.h>
 #include <skalibs/djbunix.h>
+#include <skalibs/unix-transactional.h>
 
 #include <66/service.h>
 #include <66/write.h>