diff --git a/src/slic3r/GUI/GCodeViewer.cpp b/src/slic3r/GUI/GCodeViewer.cpp
index d43230233a..cdd273283c 100644
--- a/src/slic3r/GUI/GCodeViewer.cpp
+++ b/src/slic3r/GUI/GCodeViewer.cpp
@@ -4817,7 +4817,7 @@ void GCodeViewer::render_legend(float &legend_height, int canvas_width, int canv
                 ImGui::SameLine(checkbox_pos);
                 ImGui::PushStyleVar(ImGuiStyleVar_FramePadding, ImVec2(0.0, 0.0)); // ensure no padding active
                 ImGui::PushStyleVar(ImGuiStyleVar_ItemSpacing, ImVec2(0.0, 0.0)); // ensure no item spacing active
-                ImGui::Text(into_u8(visible ? ImGui::VisibleIcon : ImGui::HiddenIcon).c_str(), ImVec2(16 * m_scale, 16 * m_scale));
+                ImGui::Text("%s", into_u8(visible ? ImGui::VisibleIcon : ImGui::HiddenIcon).c_str());
                 ImGui::PopStyleVar(2);
             }
         }
diff --git a/src/slic3r/GUI/ImGuiWrapper.cpp b/src/slic3r/GUI/ImGuiWrapper.cpp
index 883bc836e2..a0cdc558b2 100644
--- a/src/slic3r/GUI/ImGuiWrapper.cpp
+++ b/src/slic3r/GUI/ImGuiWrapper.cpp
@@ -1059,6 +1059,10 @@ void ImGuiWrapper::tooltip(const char *label, float wrap_width)
     ImGui::EndTooltip();
 }
 
+void ImGuiWrapper::tooltip(const std::string &label, float wrap_width) {
+    tooltip(label.c_str(), wrap_width);
+}
+
 void ImGuiWrapper::tooltip(const wxString &label, float wrap_width)
 {
     ImGui::BeginTooltip();
diff --git a/src/slic3r/GUI/ImGuiWrapper.hpp b/src/slic3r/GUI/ImGuiWrapper.hpp
index 12ce532c50..d950ccded2 100644
--- a/src/slic3r/GUI/ImGuiWrapper.hpp
+++ b/src/slic3r/GUI/ImGuiWrapper.hpp
@@ -154,6 +154,7 @@ public:
     void text_wrapped(const std::string &label, float wrap_width);
     void text_wrapped(const wxString &label, float wrap_width);
     void tooltip(const char *label, float wrap_width);
+    void tooltip(const std::string &label, float wrap_width);
     void tooltip(const wxString &label, float wrap_width);
     void filament_group(const std::string &filament_type, const char *hex_color, unsigned char filament_id, float align_width);