diff --git a/StenoFW.ino b/StenoFW.ino
index ebb4201..97b65db 100644
--- a/StenoFW.ino
+++ b/StenoFW.ino
@@ -262,63 +262,63 @@ void sendChordTxBolt() {
   
   // byte 1
   // S-
-  if (currentChord[0][0] || currentChord[1][0]) chordBytes[0] += B00000001;
+  if (currentChord[0][0] || currentChord[1][0]) chordBytes[0] |= B00000001;
   // T-
-  if (currentChord[0][1]) chordBytes[index] += B00000010;  
+  if (currentChord[0][1]) chordBytes[index] |= B00000010;  
   // K-
-  if (currentChord[1][1]) chordBytes[index] += B00000100;
+  if (currentChord[1][1]) chordBytes[index] |= B00000100;
   // P-
-  if (currentChord[0][2]) chordBytes[index] += B00001000;
+  if (currentChord[0][2]) chordBytes[index] |= B00001000;
   // W-
-  if (currentChord[1][2]) chordBytes[index] += B00010000;
+  if (currentChord[1][2]) chordBytes[index] |= B00010000;
   // H-
-  if (currentChord[0][3]) chordBytes[index] += B00100000;
+  if (currentChord[0][3]) chordBytes[index] |= B00100000;
   // Increment the index if the current byte has any keys set.
   if (chordBytes[index]) index++;
   
   // byte 2
   // R-
-  if (currentChord[1][3]) chordBytes[index] += B01000001;
+  if (currentChord[1][3]) chordBytes[index] |= B01000001;
   // A
-  if (currentChord[2][0]) chordBytes[index] += B01000010;
+  if (currentChord[2][0]) chordBytes[index] |= B01000010;
   // O
-  if (currentChord[2][1]) chordBytes[index] += B01000100;
+  if (currentChord[2][1]) chordBytes[index] |= B01000100;
   // *
-  if (currentChord[0][4] || currentChord[1][4]) chordBytes[index] += B01001000;
+  if (currentChord[0][4] || currentChord[1][4]) chordBytes[index] |= B01001000;
   // E
-  if (currentChord[2][2]) chordBytes[index] += B01010000;
+  if (currentChord[2][2]) chordBytes[index] |= B01010000;
   // U
-  if (currentChord[2][3]) chordBytes[index] += B01100000;
+  if (currentChord[2][3]) chordBytes[index] |= B01100000;
   // Increment the index if the current byte has any keys set.
   if (chordBytes[index]) index++;
   
   // byte 3
   // -F
-  if (currentChord[3][0]) chordBytes[index] += B10000001;
+  if (currentChord[3][0]) chordBytes[index] |= B10000001;
   // -R
-  if (currentChord[4][0]) chordBytes[index] += B10000010;
+  if (currentChord[4][0]) chordBytes[index] |= B10000010;
   // -P
-  if (currentChord[3][1]) chordBytes[index] += B10000100;
+  if (currentChord[3][1]) chordBytes[index] |= B10000100;
   // -B
-  if (currentChord[4][1]) chordBytes[index] += B10001000;
+  if (currentChord[4][1]) chordBytes[index] |= B10001000;
   // -L
-  if (currentChord[3][2]) chordBytes[index] += B10010000;
+  if (currentChord[3][2]) chordBytes[index] |= B10010000;
   // -G
-  if (currentChord[4][2]) chordBytes[index] += B10100000;
+  if (currentChord[4][2]) chordBytes[index] |= B10100000;
   // Increment the index if the current byte has any keys set.
   if (chordBytes[index]) index++;
   
   // byte 4
   // -T
-  if (currentChord[3][3]) chordBytes[index] += B11000001;
+  if (currentChord[3][3]) chordBytes[index] |= B11000001;
   // -S
-  if (currentChord[4][3]) chordBytes[index] += B11000010;
+  if (currentChord[4][3]) chordBytes[index] |= B11000010;
   // -D
-  if (currentChord[3][4]) chordBytes[index] += B11000100;
+  if (currentChord[3][4]) chordBytes[index] |= B11000100;
   // -Z
-  if (currentChord[4][3]) chordBytes[index] += B11001000;
+  if (currentChord[4][3]) chordBytes[index] |= B11001000;
   // #
-  if (currentChord[2][4]) chordBytes[index] += B11010000;
+  if (currentChord[2][4]) chordBytes[index] |= B11010000;
   // Increment the index if the current byte has any keys set.
   if (chordBytes[index]) index++;