diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..5549a43
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,5 @@
+module github.com/FooSoft/md2vim
+
+go 1.16
+
+require github.com/russross/blackfriday v1.6.0
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..270cecf
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,2 @@
+github.com/russross/blackfriday v1.6.0 h1:KqfZb0pUVN2lYqZUYRddxF4OR8ZMURnJIG5Y3VRLtww=
+github.com/russross/blackfriday v1.6.0/go.mod h1:ti0ldHuxg49ri4ksnFxlkCfN+hvslNlmVHqNRXXJNAY=
diff --git a/vimdoc.go b/vimdoc.go
index 895552f..7fe4860 100644
--- a/vimdoc.go
+++ b/vimdoc.go
@@ -318,14 +318,9 @@ func (*vimDoc) AutoLink(out *bytes.Buffer, link []byte, kind int) {
 }
 
 func (*vimDoc) CodeSpan(out *bytes.Buffer, text []byte) {
-	r := regexp.MustCompile(`\s`)
-
-	// vim does not correctly highlight space-delimited words in code spans
-	if !r.Match(text) {
-		out.WriteString("`")
-		out.Write(text)
-		out.WriteString("`")
-	}
+	out.WriteString("`")
+	out.Write(text)
+	out.WriteString("`")
 }
 
 func (*vimDoc) DoubleEmphasis(out *bytes.Buffer, text []byte) {