diff --git a/otto.sh b/otto.sh
index 29d51fd..549aba7 100755
--- a/otto.sh
+++ b/otto.sh
@@ -177,6 +177,7 @@ build_hex () {
     CMAKE_ARGS="${CMAKE_ARGS} -DCMAKE_TOOLCHAIN_FILE=${AVR_TC}"
 
     cmake ${CMAKE_ARGS} ../
+    make all
     make hex 
 }
 
@@ -187,9 +188,15 @@ build_hex_optimized () {
     CMAKE_ARGS="${CMAKE_ARGS} -DCMAKE_TOOLCHAIN_FILE=${AVR_TC}"
     
     cmake ${CMAKE_ARGS} ../
+    make all
     make hex-release
 }
 
+flash_avr () {
+    build_hex_optimized
+    make upload
+}
+
 run_c_tests () {
     clear_cmake_cache
     cmake -DUNIT_TESTING=ON  -DCMAKE_VERBOSE_MAKEFILE=${CMAKE_VERBOSE} ../
@@ -235,7 +242,7 @@ main() {
             4)
                 echo "You selected Option 4"
                 valid_choice=true
-                cross_compile 
+                flash_avr 
                 ;;
             5)
                 echo "You selected Option 5"