diff --git a/after/ftplugin/markdown.vim b/after/ftplugin/markdown.vim
new file mode 100644
index 0000000..d5a9f89
--- /dev/null
+++ b/after/ftplugin/markdown.vim
@@ -0,0 +1 @@
+set expandtab
diff --git a/after/ftplugin/pandoc.vim b/after/ftplugin/pandoc.vim
new file mode 100644
index 0000000..d5a9f89
--- /dev/null
+++ b/after/ftplugin/pandoc.vim
@@ -0,0 +1 @@
+set expandtab