diff --git a/src/kaleidoscope/device/dygma/Raise.cpp b/src/kaleidoscope/device/dygma/Raise.cpp
index 45f134b7..ad1e53e8 100644
--- a/src/kaleidoscope/device/dygma/Raise.cpp
+++ b/src/kaleidoscope/device/dygma/Raise.cpp
@@ -297,8 +297,8 @@ void RaiseKeyScanner::readMatrix() {
 
 void RaiseKeyScanner::actOnMatrixScan() {
   for (byte row = 0; row < Props_::matrix_rows; row++) {
-    for (byte col = 0; col < Props_::matrix_columns; col++) {
-      uint8_t keynum = (row * Props_::matrix_rows) + (col);
+    for (byte col = 0; col < Props_::left_columns; col++) {
+      uint8_t keynum = (row * Props_::left_columns) + col;
       uint8_t keyState;
 
       // left