diff --git a/src/ssb.js.c b/src/ssb.js.c
index 6cb600f8..04e34e88 100644
--- a/src/ssb.js.c
+++ b/src/ssb.js.c
@@ -2281,6 +2281,7 @@ static void _tf_ssb_get_blocks_after_work(tf_ssb_t* ssb, int status, void* user_
 	JS_FreeValue(context, error);
 	JS_FreeValue(context, work->promise[0]);
 	JS_FreeValue(context, work->promise[1]);
+	tf_free(work->blocks);
 	tf_free(work);
 }