diff --git a/cheevos/cheevos.c b/cheevos/cheevos.c
index 46ac200d18..3fc8b8126c 100644
--- a/cheevos/cheevos.c
+++ b/cheevos/cheevos.c
@@ -1279,6 +1279,13 @@ static void rcheevos_show_game_placard(void)
          runloop_msg_queue_push(msg, _len, 0, 3 * 60, false, NULL,
                MESSAGE_QUEUE_ICON_DEFAULT, MESSAGE_QUEUE_CATEGORY_INFO);
    }
+
+   if (summary.num_unsupported_achievements)
+   {
+      const char* warning = msg_hash_to_str(MSG_CHEEVOS_UNSUPPORTED_WARNING);
+      runloop_msg_queue_push(warning, strlen(warning), 0, 3 * 60, false, NULL,
+         MESSAGE_QUEUE_ICON_DEFAULT, MESSAGE_QUEUE_CATEGORY_WARNING);
+   }
 }
 
 static uint32_t rcheevos_client_read_memory(uint32_t address,
diff --git a/intl/msg_hash_us.h b/intl/msg_hash_us.h
index 4f8ed4a426..d61808dd11 100644
--- a/intl/msg_hash_us.h
+++ b/intl/msg_hash_us.h
@@ -15594,6 +15594,10 @@ MSG_HASH(
    MSG_CHEEVOS_UNSUPPORTED_COUNT,
    "%d unsupported"
 )
+MSG_HASH(
+   MSG_CHEEVOS_UNSUPPORTED_WARNING,
+   "Unsupported achievements detected. Please try a different core or update RetroArch."
+)
 MSG_HASH(
    MSG_CHEEVOS_RICH_PRESENCE_SPECTATING,
    "Spectating %s"
diff --git a/msg_hash.h b/msg_hash.h
index 013a4d47ec..7feac96f4a 100644
--- a/msg_hash.h
+++ b/msg_hash.h
@@ -4101,6 +4101,7 @@ enum msg_hash_enums
    MSG_CHEEVOS_UNOFFICIAL_ACHIEVEMENTS_ACTIVATED,
    MSG_CHEEVOS_NUMBER_ACHIEVEMENTS_UNLOCKED,
    MSG_CHEEVOS_UNSUPPORTED_COUNT,
+   MSG_CHEEVOS_UNSUPPORTED_WARNING,
    MSG_CHEEVOS_RICH_PRESENCE_SPECTATING,
    MSG_CHEEVOS_HARDCORE_PAUSED_MANUAL_FRAME_DELAY,
    MSG_CHEEVOS_HARDCORE_PAUSED_VSYNC_SWAP_INTERVAL,