diff --git a/src/generators/dom/index.ts b/src/generators/dom/index.ts
index 096fe30307..6306645fa7 100644
--- a/src/generators/dom/index.ts
+++ b/src/generators/dom/index.ts
@@ -222,7 +222,7 @@ export default function dom(
 			this._yield = options._yield;
 
 			this._torndown = false;
-			${parsed.css &&
+			${generator.css &&
 				options.css !== false &&
 				`if ( !document.getElementById( ${JSON.stringify(
 					generator.cssId + '-style'
diff --git a/src/utils/deindent.ts b/src/utils/deindent.ts
index 13278b26b1..5f42e89604 100644
--- a/src/utils/deindent.ts
+++ b/src/utils/deindent.ts
@@ -1,6 +1,6 @@
 const start = /\n(\t+)/;
 
-export default function deindent(strings: string[], ...values: any[]) {
+export default function deindent(strings: TemplateStringsArray, ...values: any[]) {
 	const indentation = start.exec(strings[0])[1];
 	const pattern = new RegExp(`^${indentation}`, 'gm');
 
diff --git a/test/runtime/samples/empty-style-block/_config.js b/test/runtime/samples/empty-style-block/_config.js
new file mode 100644
index 0000000000..0375bad029
--- /dev/null
+++ b/test/runtime/samples/empty-style-block/_config.js
@@ -0,0 +1,3 @@
+export default {
+	html: '',
+};
diff --git a/test/runtime/samples/empty-style-block/main.html b/test/runtime/samples/empty-style-block/main.html
new file mode 100644
index 0000000000..6f29e9e9f9
--- /dev/null
+++ b/test/runtime/samples/empty-style-block/main.html
@@ -0,0 +1 @@
+<style></style>