diff --git a/otto.sh b/otto.sh
index 676a535..dcefadb 100755
--- a/otto.sh
+++ b/otto.sh
@@ -258,8 +258,9 @@ build_hex_optimized () {
     CMAKE_ARGS="${CMAKE_ARGS} -DCMAKE_TOOLCHAIN_FILE=${WCH_TC}"
     
     cmake ${CMAKE_ARGS} ../
-    make all
-    make hex-release
+    #make all
+    #make hex-release
+    make main
 }
 
 flash_microcontroller () {