diff --git a/src/decl.c b/src/decl.c
index 31d1baa8c..4afe5544a 100644
--- a/src/decl.c
+++ b/src/decl.c
@@ -852,7 +852,7 @@ static const struct instance_globals_w g_init_w = {
     0, /* warn_obj_cnt */
     0L, /* wailmsg */
     /* do_wear.c */
-    0U,
+    0U, /* wasinwater */
     /* symbols.c */
     DUMMY, /* warnsyms */
     /* files.c */