diff --git a/src/ui/dialog/global-palettes.cpp b/src/ui/dialog/global-palettes.cpp
index 48dc7a28717da7078c0c36037bd9c984e4894f1d..065c282af27edc8d6e04eb4ad97b6644b7542db0 100644
--- a/src/ui/dialog/global-palettes.cpp
+++ b/src/ui/dialog/global-palettes.cpp
@@ -450,7 +450,7 @@ PaletteResult load_palette(std::string const &path)
     } catch (Glib::Error const &e) {
         return {{}, compose_error(e.what().c_str())};
     } catch (...) {
-        return {{}, Glib::ustring::compose(_("Unknown error loading palette %"), utf8path)};
+        return {{}, Glib::ustring::compose(_("Unknown error loading palette %1"), utf8path)};
     }
 }