diff --git a/src/aio.c b/src/aio.c
index 385fc8923..d5143bd0e 100644
--- a/src/aio.c
+++ b/src/aio.c
@@ -1399,7 +1399,7 @@ SEXP rnng_set_promise_context(SEXP x, SEXP ctx) {
   if (eln2 == eln2dummy) {
     SEXP str, call;
     PROTECT(str = Rf_mkString("later"));
-    PROTECT(call = Rf_lang2(Rf_install("requireNamespace"), str));
+    PROTECT(call = Rf_lang2(Rf_install("loadNamespace"), str));
     Rf_eval(call, R_GlobalEnv);
     UNPROTECT(2);
     eln2 = (void (*)(void (*)(void *), void *, double, int)) R_GetCCallable("later", "execLaterNative2");