diff --git a/plugin/split-open.vim b/autoload/splitopen.vim
similarity index 74%
rename from plugin/split-open.vim
rename to autoload/splitopen.vim
index 43992db..d4f2aac 100644
--- a/plugin/split-open.vim
+++ b/autoload/splitopen.vim
@@ -1,4 +1,4 @@
-function! SplitOpenFile(filename)
+function splitopen#SplitOpenFile(filename)
 	execute("tabedit " . a:filename)
 	let l:file_extension = tolower(fnamemodify(a:filename, ":e"))
 	if l:file_extension == "cpp"
@@ -9,5 +9,3 @@ function! SplitOpenFile(filename)
 		execute("wincmd h")
 	endif
 endfunction
-
-command! -nargs=1 SplitOpen :call SplitOpenFile("<args>")
diff --git a/plugin/splitopen.vim b/plugin/splitopen.vim
new file mode 100644
index 0000000..9036e30
--- /dev/null
+++ b/plugin/splitopen.vim
@@ -0,0 +1 @@
+command -nargs=1 SplitOpen :call splitopen#SplitOpenFile("<args>")