diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2a11afa..9c1e668 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -166,12 +166,16 @@ if(CMAKE_CROSSCOMPILING)
 
   # produce ASM listing
   add_custom_command(
-    TARGET firmware POST_BUILD COMMAND ${CMAKE_OBJDUMP} -CSd firmware > firmware.asm
+    TARGET firmware
+    POST_BUILD
+    COMMAND ${CMAKE_OBJDUMP} -CSd firmware > firmware.asm
     )
 
   # inform about the firmware's size in terminal
   add_custom_command(
-    TARGET firmware POST_BUILD COMMAND ${CMAKE_SIZE_UTIL} -C --mcu=atmega32u4 firmware
+    TARGET firmware
+    POST_BUILD
+    COMMAND ${CMAKE_SIZE_UTIL} -C --mcu=atmega32u4 firmware
     )
   report_size(firmware)