diff --git a/src/main.cpp b/src/main.cpp
index 3533836..9ed97c9 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -647,7 +647,7 @@ int main(int argc, char** argv)
     GetDpiForMonitor(monitor, MDT_EFFECTIVE_DPI, &x, &y);
     App::I.zoom *= (float)x / 96.f;
 
-    RECT clientRect = { 0, 0, (int)App::I.width, (int)App::I.height };
+    RECT clientRect = { 0, 0, (int)App::I.width * App::I.zoom, (int)App::I.height * App::I.zoom };
     POINT clientPos = { CW_USEDEFAULT, CW_USEDEFAULT };
     if (Settings::has("window-rect"))
     {
@@ -662,8 +662,8 @@ int main(int argc, char** argv)
         AdjustWindowRect(&clientRect, WS_OVERLAPPEDWINDOW, false);
     }
     hWnd = CreateWindow(wc.lpszClassName, L"PanoPainter", WS_OVERLAPPEDWINDOW, clientPos.x, clientPos.y, 
-        (float)(clientRect.right - clientRect.left) * App::I.zoom,
-        (float)(clientRect.bottom - clientRect.top) * App::I.zoom, 0, 0, hInst, 0);
+        (float)(clientRect.right - clientRect.left),
+        (float)(clientRect.bottom - clientRect.top), 0, 0, hInst, 0);
 
     // Setup GL Rendering Context
     pfd.nSize = sizeof(pfd);
@@ -724,8 +724,8 @@ int main(int argc, char** argv)
         DestroyWindow(hWnd);
 
         hWnd = CreateWindow(wc.lpszClassName, window_title, WS_OVERLAPPEDWINDOW, clientPos.x, clientPos.y, 
-            (float)(clientRect.right - clientRect.left) * App::I.zoom,
-            (float)(clientRect.bottom - clientRect.top) * App::I.zoom, 0, 0, hInst, 0);
+            (float)(clientRect.right - clientRect.left),
+            (float)(clientRect.bottom - clientRect.top), 0, 0, hInst, 0);
 
         hDC = GetDC(hWnd);
         wglChoosePixelFormatARB(hDC, pixel_attribs, nullptr, 1, &pxfmt, &numFormat);