diff --git a/conf.d/45-generic.conf b/conf.d/45-generic.conf
index f41ff84..f6076bb 100644
--- a/conf.d/45-generic.conf
+++ b/conf.d/45-generic.conf
@@ -110,5 +110,19 @@
 		</edit>
 	</match>
 
+	<match>
+		<test name="lang">
+			<string>und-zmth</string>
+		</test>
+		<test qual="all" name="family" compare="not_eq">
+			<string>math</string>
+		</test>
+
+		<!-- Add generic family -->
+		<edit name="family" mode="append" binding="strong">
+			<string>math</string>
+		</edit>
+	</match>
+
 
 </fontconfig>