diff --git a/globalfunctions/DleEncoder.cpp b/globalfunctions/DleEncoder.cpp
index 1a46637f..21dbd2e6 100644
--- a/globalfunctions/DleEncoder.cpp
+++ b/globalfunctions/DleEncoder.cpp
@@ -112,6 +112,7 @@ ReturnValue_t DleEncoder::decode(const uint8_t *sourceStream,
 	}
 
 	if (sourceStream[encodedIndex] != ETX_CHAR) {
+		*readLen = ++encodedIndex;
 		return DECODING_ERROR;
 	}
 	else {