diff --git a/src/platforms/esp32/components/avm_sys/platform_nifs.c b/src/platforms/esp32/components/avm_sys/platform_nifs.c
index 1c4f410cd8..4276f30510 100644
--- a/src/platforms/esp32/components/avm_sys/platform_nifs.c
+++ b/src/platforms/esp32/components/avm_sys/platform_nifs.c
@@ -1226,10 +1226,16 @@ const struct Nif *platform_nifs_get_nif(const char *nifname)
         return &esp_sleep_enable_timer_wakeup_nif;
     }
 #if SOC_ULP_SUPPORTED
+    // Historical name kept for compatibility; esp.erl's documented API
+    // is sleep_enable_ulp_wakeup/0.
     if (strcmp("esp:sleep_ulp_wakeup/0", nifname) == 0) {
         TRACE("Resolved platform nif %s ...\n", nifname);
         return &esp_sleep_ulp_wakeup_nif;
     }
+    if (strcmp("esp:sleep_enable_ulp_wakeup/0", nifname) == 0) {
+        TRACE("Resolved platform nif %s ...\n", nifname);
+        return &esp_sleep_ulp_wakeup_nif;
+    }
 #endif
     if (strcmp("atomvm:platform/0", nifname) == 0) {
         TRACE("Resolved platform nif %s ...\n", nifname);