diff --git a/firmware/src/main.cpp b/firmware/src/main.cpp
index fbc8c2a..538eb6d 100644
--- a/firmware/src/main.cpp
+++ b/firmware/src/main.cpp
@@ -18,6 +18,7 @@ void setup() {
   setupStepper();
 
   Wire.begin();
+  Wire.setClock(800000);
 
   if (!setupScreen() || !setupKeyboard()) {
     fatal();