diff --git a/MyxCMake/lib/uncrustify/Uncrustify.cmake b/MyxCMake/lib/uncrustify/Uncrustify.cmake
index 25d54bd..fedd417 100644
--- a/MyxCMake/lib/uncrustify/Uncrustify.cmake
+++ b/MyxCMake/lib/uncrustify/Uncrustify.cmake
@@ -68,7 +68,8 @@ function(myx_uncrustify TARGET_NAME)
 
   set(__fixed_config ${PROJECT_BINARY_DIR}/uncrustify-${TARGET_NAME}.cfg)
 
-  add_custom_command(OUTPUT ${PROJECT_BINARY_DIR}/uncrustify-${TARGET_NAME}.cfg
+  add_custom_command(OUTPUT ${__fixed_config}
+                     DEPENDS ${ARG_CONFIG}
                      COMMAND ${UNCRUSTIFY_EXE} --update-config-with-doc
                                                -c ${ARG_CONFIG} -o ${__fixed_config})
   list(APPEND __options -c ${__fixed_config})