diff --git a/src/slic3r/GUI/UpdateDialogs.cpp b/src/slic3r/GUI/UpdateDialogs.cpp
index d3638c1f5..99288488c 100644
--- a/src/slic3r/GUI/UpdateDialogs.cpp
+++ b/src/slic3r/GUI/UpdateDialogs.cpp
@@ -27,7 +27,7 @@ static const std::string CONFIG_UPDATE_WIKI_URL("https://github.com/prusa3d/Slic
 // MsgUpdateSlic3r
 
 MsgUpdateSlic3r::MsgUpdateSlic3r(const Semver &ver_current, const Semver &ver_online) :
-	MsgDialog(nullptr, _(L("Update available")), wxString::Format(_(L("New version of % is available")), SLIC3R_APP_NAME)),
+	MsgDialog(nullptr, _(L("Update available")), wxString::Format(_(L("New version of %s is available")), SLIC3R_APP_NAME)),
 	ver_current(ver_current),
 	ver_online(ver_online)
 {