diff --git a/keyboards/ergo42/rev1/config.h b/keyboards/ergo42/rev1/config.h
index 8d146bb8b9..3850be968d 100644
--- a/keyboards/ergo42/rev1/config.h
+++ b/keyboards/ergo42/rev1/config.h
@@ -39,6 +39,9 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define MATRIX_COL_PINS { F5, F6, F7, B1, B3, B2, B6 }
 // #define MATRIX_COL_PINS { B6, B2, B3, B1, F7, F6 } //uncomment this line and comment line above if you need to reverse left-to-right key order
 
+/* COL2ROW, ROW2COL*/
+#define DIODE_DIRECTION COL2ROW
+
 #define SOFT_SERIAL_PIN D0
 
 /* define if matrix has ghost */