diff --git a/locale/synthetic.po b/locale/synthetic.po
index 7d9fc2e10e..7f814d23a3 100644
--- a/locale/synthetic.po
+++ b/locale/synthetic.po
@@ -1,3 +1,15 @@
 # Localization of the locale name is done automagically
 msgid "en_US"
 msgstr ""
+
+# This string should never be translated, but for technical reasons it has to appear as an MP_ERROR_TEXT
+msgid "%S"
+msgstr ""
+
+# This string should never be translated, but for technical reasons it has to appear as an MP_ERROR_TEXT
+msgid "%q"
+msgstr ""
+
+# This string should never be translated, but for technical reasons it has to appear as an MP_ERROR_TEXT
+msgid "%s"
+msgstr ""