diff --git a/reactos/subsystems/win32/win32k/ntuser/painting.c b/reactos/subsystems/win32/win32k/ntuser/painting.c
index 749883a823d..1e66ce50ce3 100644
--- a/reactos/subsystems/win32/win32k/ntuser/painting.c
+++ b/reactos/subsystems/win32/win32k/ntuser/painting.c
@@ -1759,7 +1759,7 @@ BOOL UserDrawCaption(
       {
          LONG cx = UserGetSystemMetrics(SM_CXSMICON);
          LONG cy = UserGetSystemMetrics(SM_CYSMICON);
-         LONG x = Rect.left - cx/2 + 1 + (Rect.bottom - Rect.left)/2;
+         LONG x = Rect.left - cx/2 + 1 + (Rect.bottom - Rect.top)/2; // this is really what Window does
          LONG y = (Rect.top + Rect.bottom)/2 - cy/2; // center
          UserDrawIconEx(hDc, x, y, pIcon, cx, cy, 0, NULL, DI_NORMAL);
       }