diff --git a/keyboards/tomato/rules.mk b/keyboards/tomato/rules.mk
index 482f99b22..61ea958d7 100644
--- a/keyboards/tomato/rules.mk
+++ b/keyboards/tomato/rules.mk
@@ -38,7 +38,7 @@ OPT_DEFS += -DINTERRUPT_CONTROL_ENDPOINT
 
 
 # Boot Section Size in *bytes*
-OPT_DEFS += -DBOOTLOADER_SIZE=4096
+BOOTLOADER = caterina
 
 
 # Build Options