diff --git a/src/lib.rs b/src/lib.rs
index 8643dbd..b44df18 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -196,7 +196,7 @@ where
         delay_cycles(READING_ADJUST);
         delay_us(SECOND_HALF_SERIAL_DELAY);
 
-        if reciever_parity_bit != transmitter_parity_bit {
+        if reciever_parity_bit == transmitter_parity_bit {
             return Err((data, reciever_parity_bit));
         }