diff --git a/src/slic3r/GUI/ConfigManipulation.cpp b/src/slic3r/GUI/ConfigManipulation.cpp
index d1b5456e7..3650c29d3 100644
--- a/src/slic3r/GUI/ConfigManipulation.cpp
+++ b/src/slic3r/GUI/ConfigManipulation.cpp
@@ -69,7 +69,7 @@ void ConfigManipulation::check_nozzle_recommended_temperature_range(DynamicPrint
             need_check = true;
         }
         if (temperature_range_low > temperature_range_high) {
-            msg_text += _L("The recommended minimum temperature cannot be higher than the recommended minimum temperature.\n");
+            msg_text += _L("The recommended minimum temperature cannot be higher than the recommended maximum temperature.\n");
             need_check = true;
         }
         if (need_check) {
diff --git a/src/slic3r/GUI/Tab.cpp b/src/slic3r/GUI/Tab.cpp
index aa26a4c95..4d79f738d 100644
--- a/src/slic3r/GUI/Tab.cpp
+++ b/src/slic3r/GUI/Tab.cpp
@@ -5076,7 +5076,7 @@ void Tab::delete_preset()
         for (auto &preset2 : *m_presets)
             if (preset2.inherits() == current_preset.name) {
                 ++count;
-                presets += "\n - " + preset2.name;
+                presets += "\n - " + from_u8(preset2.name);
             }
         if (count > 0) {
             msg = _L("Presets inherited by other presets can not be deleted!");