diff --git a/imgui.cpp b/imgui.cpp
index 1940f0bf..0ada9c04 100644
--- a/imgui.cpp
+++ b/imgui.cpp
@@ -7287,7 +7287,7 @@ bool ImGui::Checkbox(const char* label, bool* v)
     const ImGuiID id = window->GetID(label);
     const ImVec2 label_size = CalcTextSize(label, NULL, true);
 
-    const ImRect check_bb(window->DC.CursorPos, window->DC.CursorPos + ImVec2(label_size.y + style.FramePadding.y*2, label_size.y + style.FramePadding.y*2));
+    const ImRect check_bb(window->DC.CursorPos, window->DC.CursorPos + ImVec2(label_size.y + style.FramePadding.y*2, label_size.y + style.FramePadding.y*2)); // We want a square shape to we use Y twice
     ItemSize(check_bb, style.FramePadding.y);
 
     ImRect total_bb = check_bb;