diff --git a/CMLibFormatSources.cmake b/CMLibFormatSources.cmake
index 0158bc7..d5e2e20 100644
--- a/CMLibFormatSources.cmake
+++ b/CMLibFormatSources.cmake
@@ -24,7 +24,7 @@ function(add_format_sources)
   find_program(DOS2UNIX_EXE NAMES dos2unix)
   if(DOS2UNIX_EXE)
     list(APPEND DOS2UNIX_OPTS -k -r)
-    add_custom_target(format-sources-dos2unix-${_target} COMMAND ${DOS2UNIX_EXE} ${OPTS}
+    add_custom_target(format-sources-dos2unix-${_target} COMMAND ${DOS2UNIX_EXE} ${DOS2UNIX_OPTS}
                                                                  ${_sources})
     add_dependencies(format-sources format-sources-dos2unix-${_target})
   else()