diff --git a/plugins/north_arrow/pluginguibase.ui b/plugins/north_arrow/pluginguibase.ui
index ff9bbc80a39..1e3807e0627 100644
--- a/plugins/north_arrow/pluginguibase.ui
+++ b/plugins/north_arrow/pluginguibase.ui
@@ -1,4 +1,4 @@
-<!DOCTYPE UI><UI version="3.2" stdsetdef="1">
+<!DOCTYPE UI><UI version="3.1.2" stdsetdef="1">
 <class>PluginGuiBase</class>
 <widget class="QDialog">
     <property name="name">