1 file changed, 4 insertions, 2 deletions
diff --git a/source/cache.c b/source/cache.c
index a076823..82b3aad 100644
--- a/source/cache.c
+++ b/source/cache.c
@@ -370,12 +370,14 @@ static int fill_slot(struct cache_slot *slot)
 
 	slot_being_filled = slot;
 	slot->fn();
-	slot_being_filled = NULL;
 
 	// All of the page has to reach the lock file before it is renamed
-	// into place. After an abandoned fill stdout is the client again and
+	// into place, and a write that fails on this last flush still finds
+	// the slot to abandon, so the page goes to the visitor rather than
+	// nowhere. After an abandoned fill stdout is the client again and
 	// this same flush delivers the tail of the error page instead.
 	html_flush();
+	slot_being_filled = NULL;
 	if (fflush(stdout))
 		return errno;