diff --git a/test/ir_Mirage_test.cpp b/test/ir_Mirage_test.cpp
index cf73f3135..ad08918e2 100644
--- a/test/ir_Mirage_test.cpp
+++ b/test/ir_Mirage_test.cpp
@@ -581,4 +581,11 @@ TEST(TestMirageAcClass, getModel) {
       0x56, 0x74, 0x00, 0x00, 0x12, 0x00, 0x40, 0x00,
       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1D};
   EXPECT_EQ(mirage_ac_remote_model_t::KKG29AC1, IRMirageAc::getModel(KKG29AC1));
+
+  // https://github.com/crankyoldgit/IRremoteESP8266/issues/1573#issuecomment-962362540
+  const uint8_t KKG29AC1_2[kMirageStateLength] = {
+      0x56, 0x72, 0x00, 0x00, 0x23, 0x00, 0x00, 0x00,
+      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x19};
+  EXPECT_EQ(mirage_ac_remote_model_t::KKG29AC1,
+            IRMirageAc::getModel(KKG29AC1_2));
 }