diff --git a/core/src/com/google/zxing/datamatrix/decoder/DecodedBitStreamParser.java b/core/src/com/google/zxing/datamatrix/decoder/DecodedBitStreamParser.java
index 5a3293ed8..2f7c1f414 100644
--- a/core/src/com/google/zxing/datamatrix/decoder/DecodedBitStreamParser.java
+++ b/core/src/com/google/zxing/datamatrix/decoder/DecodedBitStreamParser.java
@@ -108,7 +108,7 @@ final class DecodedBitStreamParser {
       }
     } while (mode != PAD_ENCODE && bits.available() > 0);
     if (resultTrailer.length() > 0) {
-      result.append(resultTrailer);
+      result.append(resultTrailer.toString());
     }
     return new DecoderResult(bytes, result.toString(), byteSegments.isEmpty() ? null : byteSegments);
   }