diff --git a/src/devices/Mfrc522/Mfrc522.cs b/src/devices/Mfrc522/Mfrc522.cs
index 0e3642c9f0..23b48f0316 100644
--- a/src/devices/Mfrc522/Mfrc522.cs
+++ b/src/devices/Mfrc522/Mfrc522.cs
@@ -254,7 +254,7 @@ public bool ListenToCardIso14443TypeA(out Data106kbpsTypeA card, TimeSpan timeou
                     break;
                 }
 
-                if (dtTimeout > DateTime.Now)
+                if (dtTimeout < DateTime.Now)
                 {
                     return false;
                 }