diff --git a/armsrc/appmain.c b/armsrc/appmain.c
index 2added25f..22f919d56 100644
--- a/armsrc/appmain.c
+++ b/armsrc/appmain.c
@@ -1132,8 +1132,8 @@ static void PacketReceived(PacketCommandNG *packet) {
             em4x50_sim();
             break;
         }
-        case CMD_LF_EM4X50_STDREAD: {
-            em4x50_stdread();
+        case CMD_LF_EM4X50_READER: {
+            em4x50_reader();
             break;
         }
         case CMD_LF_EM4X50_ESET: {