diff --git a/src/slic3r/GUI/Gizmos/GLGizmoAssembly.cpp b/src/slic3r/GUI/Gizmos/GLGizmoAssembly.cpp
index c0c86b1ac..2fcdd3a21 100644
--- a/src/slic3r/GUI/Gizmos/GLGizmoAssembly.cpp
+++ b/src/slic3r/GUI/Gizmos/GLGizmoAssembly.cpp
@@ -85,9 +85,9 @@ void GLGizmoAssembly::on_render_input_window(float x, float y, float bottom_limi
     init_render_input_window();
 
     float moving_size = m_imgui->calc_text_size(_L("(Moving)")).x;
-    float combox_content_size = (m_imgui->calc_text_size(_L("Point and point assembly")).x +ImGui::GetStyle().FramePadding.x * 2.0f);
+    float combox_content_size = m_imgui->calc_text_size(_L("Point and point assembly")).x*1.1 + ImGui::GetStyle().FramePadding.x * 18.0f;
     float caption_size = moving_size + 2 * m_space_size;
-    if (render_assembly_mode_combo(caption_size + 0.5 * m_space_size, 2.0 * combox_content_size)) {
+    if (render_assembly_mode_combo(caption_size + 0.5 * m_space_size,  combox_content_size)) {
         ;
     }
     show_selection_ui();