diff --git a/src/chrome/content/rules/Unizg.hr.xml b/src/chrome/content/rules/Unizg.hr.xml
new file mode 100644
index 000000000000..14b43fbd0d5c
--- /dev/null
+++ b/src/chrome/content/rules/Unizg.hr.xml
@@ -0,0 +1,27 @@
+<!--
+	Invalid certificate:
+		unizg.hr
+		fer.unizg.hr
+
+	Refused:
+		www.unizg.hr
+
+-->
+<ruleset name="Unizg.hr (partial)">
+	<target host="www.fer.unizg.hr" />
+
+	<target host="ferko.fer.hr" />
+
+	<target host="ffzg.unizg.hr" />
+	<target host="www.ffzg.unizg.hr" />
+
+	<!-- pmf.unizg.hr is not in DNS -->
+	<target host="www.pmf.unizg.hr" />
+
+	<!-- vef.unizg.hr is not in DNS -->
+	<target host="www.vef.unizg.hr" />
+
+	<target host="vojni.unizg.hr" />
+
+	<rule from="^http:" to="https:" />
+</ruleset>