diff --git a/klippy/extras/bus.py b/klippy/extras/bus.py
index 9fb466390..b04fbe764 100644
--- a/klippy/extras/bus.py
+++ b/klippy/extras/bus.py
@@ -212,6 +212,9 @@ class MCU_I2C:
             "i2c_read oid=%c reg=%*s read_len=%u",
             "i2c_read_response oid=%c response=%*s", oid=self.oid,
             cq=self.cmd_queue)
+    def i2c_write_noack(self, data, minclock=0, reqclock=0):
+        self.i2c_write_cmd.send([self.oid, data],
+                                minclock=minclock, reqclock=reqclock)
     def i2c_write(self, data, minclock=0, reqclock=0):
         if self.i2c_write_cmd is None:
             self._to_write.append(data)
diff --git a/klippy/extras/display/uc1701.py b/klippy/extras/display/uc1701.py
index 8e877cf2e..85b74decd 100644
--- a/klippy/extras/display/uc1701.py
+++ b/klippy/extras/display/uc1701.py
@@ -138,7 +138,7 @@ class I2C:
             hdr = 0x00
         cmds = bytearray(cmds)
         cmds.insert(0, hdr)
-        self.i2c.i2c_write(cmds, reqclock=BACKGROUND_PRIORITY_CLOCK)
+        self.i2c.i2c_write_noack(cmds, reqclock=BACKGROUND_PRIORITY_CLOCK)
 
 # Helper code for toggling a reset pin on startup
 class ResetHelper: