diff --git a/chrome/content/zotero-platform/mac/integration.css b/chrome/content/zotero-platform/mac/integration.css
index d3f6ee46fb..b1d6e113e1 100644
--- a/chrome/content/zotero-platform/mac/integration.css
+++ b/chrome/content/zotero-platform/mac/integration.css
@@ -1,3 +1,10 @@
+/* Force use of Lucida on non-Retina displays for Catalina */
+@media (max-resolution: 1.0dppx) {
+	html > body {
+		font-family: Lucida Grande, Lucida Sans Unicode, Lucida Sans, Geneva, -apple-system, sans-serif !important;
+	}
+}
+
 body {
 	line-height: 1.45em;
 	font-size: 15px;