diff --git a/drivers/led/sn32f2xx.c b/drivers/led/sn32f2xx.c
index b58589d36b2c..59650fe808da 100644
--- a/drivers/led/sn32f2xx.c
+++ b/drivers/led/sn32f2xx.c
@@ -440,7 +440,7 @@ static void shared_matrix_rgb_disable_output(void) {
         gpio_set_pin_input(led_col_pins[x]);
 #    endif // DIODE_DIRECTION != SN32F2XX_PWM_DIRECTION
         // Unselect all columns before scanning the key matrix
-#    if (SN32F2XX_RGB_OUTPUT_ACTIVE_LEVEL == SN32F2XX_RGB_OUTPUT_ACTIVE_LOW)
+#    if (SN32F2XX_RGB_OUTPUT_ACTIVE_LEVEL == SN32F2XX_RGB_OUTPUT_ACTIVE_LOW || defined(MATRIX_UNSELECT_DRIVE_HIGH))
         gpio_write_pin_high(led_col_pins[x]);
 #    elif (SN32F2XX_RGB_OUTPUT_ACTIVE_LEVEL == SN32F2XX_RGB_OUTPUT_ACTIVE_HIGH)
         gpio_write_pin_low(led_col_pins[x]);
@@ -479,6 +479,13 @@ static void update_pwm_channels(PWMDriver *pwmp) {
 #    endif // SHARED_MATRIX
     }
 
+    // Disable all RGB columns before turning on PWM in case matrix read unselect high
+#    if (SN32F2XX_RGB_OUTPUT_ACTIVE_LEVEL == SN32F2XX_RGB_OUTPUT_ACTIVE_HIGH && defined(MATRIX_UNSELECT_DRIVE_HIGH))
+    for (uint8_t x = 0; x < SN32F2XX_RGB_MATRIX_COLS; x++) {
+        gpio_write_pin_low(led_col_pins[x]);
+    }
+#    endif // SN32F2XX_RGB_OUTPUT_ACTIVE_LEVEL == SN32F2XX_RGB_OUTPUT_ACTIVE_HIGH && defined(MATRIX_UNSELECT_DRIVE_HIGH)
+
     bool enable_pwm_output = false;
     for (uint8_t current_key_row = 0; current_key_row < MATRIX_ROWS; current_key_row++) {
         uint8_t led_index = g_led_config.matrix_co[current_key_row][current_key_col];