diff --git a/FlippR-Driver/src/output/detail/DriverBoardPinController.cpp b/FlippR-Driver/src/output/detail/DriverBoardPinController.cpp
index 9bf1b34..5daf070 100644
--- a/FlippR-Driver/src/output/detail/DriverBoardPinController.cpp
+++ b/FlippR-Driver/src/output/detail/DriverBoardPinController.cpp
@@ -87,14 +87,14 @@ void DriverBoardPinController::set_run_pin(uint8_t run_pin)
 void DriverBoardPinController::select_mux(uint8_t mux)
 {
   this->deselect_all_muxes();
-  write_pin(this->mux_enable_pins[mux], 1);
+  write_pin(this->mux_enable_pins[mux], 0);
 }
 
 void DriverBoardPinController::deselect_all_muxes()
 {
   for(auto pin : mux_enable_pins)
   {
-    write_pin(pin, 0);
+    write_pin(pin, 1);
   }
 }
 
@@ -106,7 +106,7 @@ void DriverBoardPinController::clear()
     {
       select_mux(mux);
       select_adress(i);
-      write_pin(data_pin, 0);
+      write_pin(data_pin, 1);
     }
   }