diff --git a/driveruipanels.cpp b/driveruipanels.cpp
index 5b1ca4fe..5b4d2336 100644
--- a/driveruipanels.cpp
+++ b/driveruipanels.cpp
@@ -211,10 +211,10 @@ scenario_panel::render() {
         | ( size.x > 0 ? ImGuiWindowFlags_NoResize : 0 );
 
     if( size.x > 0 ) {
-        ImGui::SetNextWindowSize( ImVec2( size.x, size.y ) );
+        ImGui::SetNextWindowSize( ImVec2S( size.x, size.y ) );
     }
     if( size_min.x > 0 ) {
-        ImGui::SetNextWindowSizeConstraints( ImVec2( size_min.x, size_min.y ), ImVec2( size_max.x, size_max.y ) );
+        ImGui::SetNextWindowSizeConstraints( ImVec2S( size_min.x, size_min.y ), ImVec2S( size_max.x, size_max.y ) );
     }
     auto const panelname { (
         title.empty() ?
@@ -437,10 +437,10 @@ timetable_panel::render() {
         | ( size.x > 0 ? ImGuiWindowFlags_NoResize : 0 );
 
     if( size.x > 0 ) {
-        ImGui::SetNextWindowSize( ImVec2( size.x, size.y ) );
+        ImGui::SetNextWindowSize( ImVec2S( size.x, size.y ) );
     }
     if( size_min.x > 0 ) {
-        ImGui::SetNextWindowSizeConstraints( ImVec2( size_min.x, size_min.y ), ImVec2( size_max.x, size_max.y ) );
+        ImGui::SetNextWindowSizeConstraints( ImVec2S( size_min.x, size_min.y ), ImVec2S( size_max.x, size_max.y ) );
     }
     auto const panelname { (
         title.empty() ?
@@ -528,10 +528,10 @@ debug_panel::render() {
         | ( size.x > 0 ? ImGuiWindowFlags_NoResize : 0 );
 
     if( size.x > 0 ) {
-        ImGui::SetNextWindowSize( ImVec2( size.x, size.y ) );
+        ImGui::SetNextWindowSize( ImVec2S( size.x, size.y ) );
     }
     if( size_min.x > 0 ) {
-        ImGui::SetNextWindowSizeConstraints( ImVec2( size_min.x, size_min.y ), ImVec2( size_max.x, size_max.y ) );
+        ImGui::SetNextWindowSizeConstraints( ImVec2S( size_min.x, size_min.y ), ImVec2S( size_max.x, size_max.y ) );
     }
     auto const panelname { (
         title.empty() ?
@@ -1342,10 +1342,10 @@ transcripts_panel::render() {
         | ( size.x > 0 ? ImGuiWindowFlags_NoResize : 0 );
 
     if( size.x > 0 ) {
-        ImGui::SetNextWindowSize( ImVec2( size.x, size.y ) );
+        ImGui::SetNextWindowSize( ImVec2S( size.x, size.y ) );
     }
     if( size_min.x > 0 ) {
-        ImGui::SetNextWindowSizeConstraints( ImVec2( size_min.x, size_min.y ), ImVec2( size_max.x, size_max.y ) );
+        ImGui::SetNextWindowSizeConstraints( ImVec2S( size_min.x, size_min.y ), ImVec2S( size_max.x, size_max.y ) );
     }
     auto const panelname { (
         title.empty() ?
diff --git a/editoruipanels.cpp b/editoruipanels.cpp
index a51095c7..ce746391 100644
--- a/editoruipanels.cpp
+++ b/editoruipanels.cpp
@@ -261,10 +261,10 @@ itemproperties_panel::render() {
         | ( size.x > 0 ? ImGuiWindowFlags_NoResize : 0 );
 
     if( size.x > 0 ) {
-        ImGui::SetNextWindowSize( ImVec2( size.x, size.y ) );
+        ImGui::SetNextWindowSize( ImVec2S( size.x, size.y ) );
     }
     if( size_min.x > 0 ) {
-        ImGui::SetNextWindowSizeConstraints( ImVec2( size_min.x, size_min.y ), ImVec2( size_max.x, size_max.y ) );
+        ImGui::SetNextWindowSizeConstraints( ImVec2S( size_min.x, size_min.y ), ImVec2( size_max.x, size_max.y ) );
     }
     auto const panelname { (
         title.empty() ?
@@ -357,10 +357,10 @@ nodebank_panel::render() {
         | ( size.x > 0 ? ImGuiWindowFlags_NoResize : 0 );
 
     if( size.x > 0 ) {
-        ImGui::SetNextWindowSize( ImVec2( size.x, size.y ) );
+        ImGui::SetNextWindowSize( ImVec2S( size.x, size.y ) );
     }
     if( size_min.x > 0 ) {
-        ImGui::SetNextWindowSizeConstraints( ImVec2( size_min.x, size_min.y ), ImVec2( size_max.x, size_max.y ) );
+        ImGui::SetNextWindowSizeConstraints( ImVec2S( size_min.x, size_min.y ), ImVec2S( size_max.x, size_max.y ) );
     }
     auto const panelname { (
         title.empty() ?
diff --git a/launcher/launcheruilayer.cpp b/launcher/launcheruilayer.cpp
index 031dcda1..0ab9311d 100644
--- a/launcher/launcheruilayer.cpp
+++ b/launcher/launcheruilayer.cpp
@@ -29,7 +29,7 @@ void launcher_ui::render_()
 	ImGuiWindowFlags flags = ImGuiWindowFlags_NoTitleBar | ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoScrollbar | ImGuiWindowFlags_NoCollapse;
 	ImVec2 display_size = ImGui::GetIO().DisplaySize;
 	ImGui::SetNextWindowPos(ImVec2(display_size.x * 0.66f, display_size.y / 2.0f));
-	ImGui::SetNextWindowSize(ImVec2(200, -1));
+    ImGui::SetNextWindowSize(ImVec2(200 * Global.ui_scale, -1));
 
 	if (ImGui::Begin(STR_C("Main menu"), nullptr, flags)) {
 		if (ImGui::Button(STR_C("Scenario list"), ImVec2(-1, 0)))
diff --git a/opengl33renderer.cpp b/opengl33renderer.cpp
index 0473778a..16bd6c26 100644
--- a/opengl33renderer.cpp
+++ b/opengl33renderer.cpp
@@ -639,7 +639,7 @@ void opengl33_renderer::draw_debug_ui()
 	}
 	ImGui::End();
 
-    ImGui::SetNextWindowSize(ImVec2(400, 400));
+    ImGui::SetNextWindowSize(ImVec2S(400, 400));
     if (ImGui::Begin("Pickbuffer") && m_pick_tex) {
         ImGui::Image(reinterpret_cast<void *>(m_pick_tex->id), ImGui::GetContentRegionAvail(), ImVec2(0, 1.0), ImVec2(1.0, 0));
     }
diff --git a/stdafx.h b/stdafx.h
index 2c8661ef..706f0a1d 100644
--- a/stdafx.h
+++ b/stdafx.h
@@ -110,6 +110,7 @@ int const null_handle = 0;
 #define glDebug(x) if (GLAD_GL_GREMEDY_string_marker) glStringMarkerGREMEDY(0, __FILE__ ":" STRINGIZE(__LINE__) ": " x);
 
 #include "imgui/imgui.h"
+#define ImVec2S(a, b) ImVec2(a * Global.ui_scale, b * Global.ui_scale)
 #include "openglcolor.h"
 
 #endif
diff --git a/uilayer.cpp b/uilayer.cpp
index 6a63657e..730b49e4 100644
--- a/uilayer.cpp
+++ b/uilayer.cpp
@@ -45,12 +45,12 @@ void ui_panel::render()
 		        ((size.x > 0) ? ImGuiWindowFlags_NoResize : 0);
 
     if (size.x > 0)
-        ImGui::SetNextWindowSize(ImVec2(size.x, size.y));
+        ImGui::SetNextWindowSize(ImVec2S(size.x, size.y));
 	else if (size_min.x == -1)
-		ImGui::SetNextWindowSize(ImVec2(0, 0), ImGuiCond_FirstUseEver);
+        ImGui::SetNextWindowSize(ImVec2(0, 0), ImGuiCond_FirstUseEver);
 
     if (size_min.x > 0)
-        ImGui::SetNextWindowSizeConstraints(ImVec2(size_min.x, size_min.y), ImVec2(size_max.x, size_max.y));
+        ImGui::SetNextWindowSizeConstraints(ImVec2S(size_min.x, size_min.y), ImVec2S(size_max.x, size_max.y));
 
 	auto const panelname{(title.empty() ? m_name : title) + "###" + m_name};
 	if (ImGui::Begin(panelname.c_str(), &is_open, flags)) {