diff --git a/Shared/Article Rendering/ArticleRenderer.swift b/Shared/Article Rendering/ArticleRenderer.swift
index 5b0192afe..a66568560 100644
--- a/Shared/Article Rendering/ArticleRenderer.swift	
+++ b/Shared/Article Rendering/ArticleRenderer.swift	
@@ -248,7 +248,8 @@ private extension ArticleRenderer {
 	#if os(iOS)
 	func styleSubstitutions() -> [String: String] {
 		var d = [String: String]()
-		d["font-size"] = String(describing: UIFontMetrics.default.scaledValue(for: UIFont.systemFontSize))
+		let bodyFont = UIFont.preferredFont(forTextStyle: .body)
+		d["font-size"] = String(describing: bodyFont.pointSize)
 		return d
 	}
 	#endif
diff --git a/iOS/Resources/styleSheet.css b/iOS/Resources/styleSheet.css
index 30f87eede..b5bd49dee 100644
--- a/iOS/Resources/styleSheet.css
+++ b/iOS/Resources/styleSheet.css
@@ -1,6 +1,6 @@
 :root {
 	font: -apple-system-body;
-	font-size: [[font-size]]pt;
+	font-size: [[font-size]]px;
 }
 
 body {
@@ -77,7 +77,7 @@ body .headerTable {
 }
 body .header {
 	font: -apple-system-body;
-	font-size: [[font-size]]pt;
+	font-size: [[font-size]]px;
 	color: var(--header-color);
 }
 body .header a:link, body .header a:visited {