diff --git a/md/md_renderer.go b/md/md_renderer.go
index d5c8455..ebc06d5 100644
--- a/md/md_renderer.go
+++ b/md/md_renderer.go
@@ -264,6 +264,9 @@ func (r *Renderer) codeBlock(w io.Writer, node *ast.CodeBlock) {
 	}
 	r.outs(w, "\n")
 	r.out(w, text)
+	if len(text) == 0 || text[len(text)-1] != '\n' {
+		r.outs(w, "\n")
+	}
 	r.outs(w, "```\n\n")
 }
 
diff --git a/md/md_renderer_test.go b/md/md_renderer_test.go
index eef736e..3535184 100644
--- a/md/md_renderer_test.go
+++ b/md/md_renderer_test.go
@@ -73,7 +73,7 @@ func TestRenderCode(t *testing.T) {
 func TestRenderCodeBlock(t *testing.T) {
 	input := &ast.CodeBlock{Info: []byte(string("scala"))}
 	input.Literal = []byte(string("val x : Int = 42"))
-	expected := "\n```scala\nval x : Int = 42\n```\n"
+	expected := "\n```scala\nval x : Int = 42\n```\n\n"
 	testRendering(t, input, expected)
 }