diff --git a/tests/reftests/misc-alignment.ref.ui b/tests/reftests/misc-alignment.ref.ui
index 70ef01e00f..4bca70990b 100644
--- a/tests/reftests/misc-alignment.ref.ui
+++ b/tests/reftests/misc-alignment.ref.ui
@@ -2,6 +2,7 @@
 <interface>
   <!-- interface-requires gtk+ 3.0 -->
   <object class="GtkWindow" id="window1">
+    <property name="width_request">160</property>
     <property name="can_focus">False</property>
     <property name="type">popup</property>
     <child>
@@ -133,6 +134,7 @@
         </child>
         <child>
           <object class="GtkArrow" id="arrow3">
+            <property name="width_request">16</property>
             <property name="visible">True</property>
             <property name="can_focus">False</property>
             <property name="hexpand">True</property>
diff --git a/tests/reftests/misc-alignment.ui b/tests/reftests/misc-alignment.ui
index 412a4b0868..8d683b9626 100644
--- a/tests/reftests/misc-alignment.ui
+++ b/tests/reftests/misc-alignment.ui
@@ -2,6 +2,7 @@
 <interface>
   <!-- interface-requires gtk+ 3.0 -->
   <object class="GtkWindow" id="window1">
+    <property name="width_request">160</property>
     <property name="can_focus">False</property>
     <property name="type">popup</property>
     <child>
@@ -145,6 +146,7 @@
         </child>
         <child>
           <object class="GtkArrow" id="arrow3">
+            <property name="width_request">16</property>
             <property name="visible">True</property>
             <property name="can_focus">False</property>
             <property name="halign">center</property>