diff --git a/xs/src/slic3r/GUI/RammingChart.cpp b/xs/src/slic3r/GUI/RammingChart.cpp
index 1e7412a4f..2603a5eab 100644
--- a/xs/src/slic3r/GUI/RammingChart.cpp
+++ b/xs/src/slic3r/GUI/RammingChart.cpp
@@ -78,7 +78,7 @@ void Chart::draw() {
     int text_height = 0;
     dc.GetTextExtent(label,&text_width,&text_height);
     dc.DrawText(label,wxPoint(0.5*(m_rect.GetRight()+m_rect.GetLeft())-text_width/2.f, m_rect.GetBottom()+25));
-    label = _(L("Volumetric speed")) + " (" + _(L("mm")) + wxString("³", wxConvUTF8) + _(L("s")) + ")";
+    label = _(L("Volumetric speed")) + " (" + _(L("mm")) + wxString("³/", wxConvUTF8) + _(L("s")) + ")";
     dc.GetTextExtent(label,&text_width,&text_height);
     dc.DrawRotatedText(label,wxPoint(0,0.5*(m_rect.GetBottom()+m_rect.GetTop())+text_width/2.f),90);
 }
diff --git a/xs/src/slic3r/GUI/Tab.cpp b/xs/src/slic3r/GUI/Tab.cpp
index d4d10e368..f24b5ebc6 100644
--- a/xs/src/slic3r/GUI/Tab.cpp
+++ b/xs/src/slic3r/GUI/Tab.cpp
@@ -1263,7 +1263,7 @@ void TabFilament::build()
 		optgroup->append_single_option_line("filament_density");
 		optgroup->append_single_option_line("filament_cost");
 
-		optgroup = page->new_optgroup(_(L("Temperature ")) + wxString("°", wxConvUTF8));
+		optgroup = page->new_optgroup(_(L("Temperature ")) + wxString("°C", wxConvUTF8));
 		Line line = { _(L("Extruder")), "" };
 		line.append_option(optgroup->get_option("first_layer_temperature"));
 		line.append_option(optgroup->get_option("temperature"));