diff --git a/testsuite/reftests/721800-0px-dotted-border.css b/testsuite/reftests/721800-0px-dotted-border.css
new file mode 100644
index 0000000000..ad54675a8e
--- /dev/null
+++ b/testsuite/reftests/721800-0px-dotted-border.css
@@ -0,0 +1,5 @@
+@import "reset-to-defaults.css";
+
+.broken {
+  border: 0px dotted purple;
+}
diff --git a/testsuite/reftests/721800-0px-dotted-border.ref.ui b/testsuite/reftests/721800-0px-dotted-border.ref.ui
new file mode 100644
index 0000000000..bcf41a55e8
--- /dev/null
+++ b/testsuite/reftests/721800-0px-dotted-border.ref.ui
@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- Generated with glade 3.16.0 on Tue Jan 14 03:12:07 2014 -->
+<interface>
+  <!-- interface-requires gtk+ 3.10 -->
+  <object class="GtkWindow" id="window1">
+    <property name="can_focus">False</property>
+    <property name="type">popup</property>
+    <child>
+      <object class="GtkLabel" id="label1">
+        <property name="visible">True</property>
+        <property name="can_focus">False</property>
+        <property name="label" translatable="yes">Hello World</property>
+      </object>
+    </child>
+  </object>
+</interface>
diff --git a/testsuite/reftests/721800-0px-dotted-border.ui b/testsuite/reftests/721800-0px-dotted-border.ui
new file mode 100644
index 0000000000..3165aa4caf
--- /dev/null
+++ b/testsuite/reftests/721800-0px-dotted-border.ui
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- Generated with glade 3.16.0 on Tue Jan 14 03:14:21 2014 -->
+<interface>
+  <!-- interface-requires gtk+ 3.10 -->
+  <object class="GtkWindow" id="window1">
+    <property name="can_focus">False</property>
+    <property name="type">popup</property>
+    <child>
+      <object class="GtkLabel" id="label1">
+        <property name="visible">True</property>
+        <property name="can_focus">False</property>
+        <property name="label" translatable="yes">Hello World</property>
+        <style>
+          <class name="broken"/>
+        </style>
+      </object>
+    </child>
+  </object>
+</interface>
diff --git a/testsuite/reftests/Makefile.am b/testsuite/reftests/Makefile.am
index d62f066256..bd8746eb79 100644
--- a/testsuite/reftests/Makefile.am
+++ b/testsuite/reftests/Makefile.am
@@ -31,6 +31,9 @@ EXTRA_DIST += \
 	$(NULL)
 
 testdata = \
+	721800-0px-dotted-border.css \
+	721800-0px-dotted-border.ref.ui \
+	721800-0px-dotted-border.ui \
 	actionbar.ref.ui \
 	actionbar.ui \
 	alignment-props.css \