diff --git a/src/sbbs3/userdat.h b/src/sbbs3/userdat.h
index 2ff57ff0ba32ad7fe4b76ebfc6e065076c4e61e5..12dd3582531e91bc5e5713c7e792095308aeeba1 100644
--- a/src/sbbs3/userdat.h
+++ b/src/sbbs3/userdat.h
@@ -39,6 +39,7 @@
 #include "scfgdefs.h"   /* scfg_t */
 #include "dat_rec.h"	/* getrec/putrec prototypes */
 #include "client.h"		/* client_t */
+#include "link_list.h"
 
 #ifdef DLLEXPORT
 #undef DLLEXPORT