diff --git a/LCD.py b/LCD.py
index d788496..f304dfe 100644
--- a/LCD.py
+++ b/LCD.py
@@ -56,6 +56,13 @@ class LCD:
         for row in bitmap:
             self.lcd_byte(row, 1)
 
+    async def async_set_char(self, address, bitmap):
+        async with lock:
+            address = address * 8 + 0x40
+            self.lcd_byte(address, 0)
+            for row in bitmap:
+                self.lcd_byte(row, 1)
+
     def lcd_byte(self, bits, mode):
         # Send byte to data pins
         # bits = data
diff --git a/animation.py b/animation.py
index de2e51a..6a6489f 100644
--- a/animation.py
+++ b/animation.py
@@ -152,7 +152,7 @@ class animator:
         self.running = True
         while self.running:
             for slide in self.slides:
-                self.lcd.set_char(self.slot, slide)
+                await self.lcd.async_set_char(self.slot, slide)
                 await asyncio.sleep(self.delay)
     
     async def stop(self):