diff --git a/core/modules/parsers/wikiparser/rules/html.js b/core/modules/parsers/wikiparser/rules/html.js
index 53a5139c5..39ea1e141 100644
--- a/core/modules/parsers/wikiparser/rules/html.js
+++ b/core/modules/parsers/wikiparser/rules/html.js
@@ -202,12 +202,18 @@ exports.serialize = function(tree,serialize) {
 	}).join(" ");
 	// Children
 	var children = tree.children ? serialize(tree.children) : "";
+	var result = "";
 	// Self-closing tag
 	if(tree.isSelfClosing) {
-			return "<" + tag + (attributes ? " " + attributes : "") + " />";
+			result += "<" + tag + (attributes ? " " + attributes : "") + " />";
+	} else {
+		// Opening and closing tags
+		result += "<" + tag + (attributes ? " " + attributes : "") + ">" + children + "</" + tag + ">";
 	}
-	// Opening and closing tags
-	return "<" + tag + (attributes ? " " + attributes : "") + ">" + children + "</" + tag + ">";
+	if(tree.isBlock) {
+		result += "\n\n";
+	}
+	return result;
 };
 
 })();
diff --git a/editions/test/tiddlers/tests/data/serialize/Html.tid b/editions/test/tiddlers/tests/data/serialize/Html.tid
index 05507eb56..d4a8db414 100644
--- a/editions/test/tiddlers/tests/data/serialize/Html.tid
+++ b/editions/test/tiddlers/tests/data/serialize/Html.tid
@@ -8,4 +8,8 @@ This is an HTML5 aside element
 
 <$slider target="MyTiddler">
 This is a widget invocation
-</$slider>
\ No newline at end of file
+</$slider>
+
+<$list filter="[tag[ExampleTag]sort[title]]" />
+
+Plain text in next paragraph.
\ No newline at end of file