diff --git a/src/ssb.js.c b/src/ssb.js.c
index 74651fb0..1df7ff84 100644
--- a/src/ssb.js.c
+++ b/src/ssb.js.c
@@ -417,11 +417,15 @@ void _tf_ssb_blob_store_complete(blob_store_t* store, const char* id)
 	if (id)
 	{
 		JSValue id_value = JS_NewString(store->context, id);
-		JS_Call(store->context, store->promise[0], JS_UNDEFINED, 1, &id_value);
+		JSValue result = JS_Call(store->context, store->promise[0], JS_UNDEFINED, 1, &id_value);
+		tf_util_report_error(store->context, result);
+		JS_FreeValue(store->context, result);
 	}
 	else
 	{
-		JS_Call(store->context, store->promise[1], JS_UNDEFINED, 0, NULL);
+		JSValue result = JS_Call(store->context, store->promise[1], JS_UNDEFINED, 0, NULL);
+		tf_util_report_error(store->context, result);
+		JS_FreeValue(store->context, result);
 	}
 	tf_util_report_error(store->context, result);
 	JS_FreeValue(store->context, result);
@@ -1662,7 +1666,9 @@ static void _tf_ssb_following_after_work(uv_work_t* work, int status)
 			JS_SetPropertyStr(context, entry, "ib", JS_NewInt32(context, following->out_following[i].blocked_by_count));
 			JS_SetPropertyStr(context, object, following->out_following[i].id, entry);
 		}
-		JS_Call(context, following->promise[0], JS_UNDEFINED, 1, &object);
+		JSValue result = JS_Call(context, following->promise[0], JS_UNDEFINED, 1, &object);
+		tf_util_report_error(context, result);
+		JS_FreeValue(context, result);
 		JS_FreeValue(context, object);
 	}
 	else
@@ -1670,7 +1676,9 @@ static void _tf_ssb_following_after_work(uv_work_t* work, int status)
 		char buffer[256];
 		uv_strerror_r(status, buffer, sizeof(buffer));
 		JSValue message = JS_NewString(context, buffer);
-		JS_Call(context, following->promise[1], JS_UNDEFINED, 1, &message);
+		JSValue result = JS_Call(context, following->promise[1], JS_UNDEFINED, 1, &message);
+		tf_util_report_error(context, result);
+		JS_FreeValue(context, result);
 		JS_FreeValue(context, message);
 	}