diff --git a/src/winapi_hooks.c b/src/winapi_hooks.c
index 55fd09a..a0821b9 100644
--- a/src/winapi_hooks.c
+++ b/src/winapi_hooks.c
@@ -66,13 +66,13 @@ BOOL WINAPI fake_GetCursorPos(LPPOINT lpPoint)
 
         if (g_ddraw->adjmouse)
         {
-            x = min((DWORD)(roundf(pt.x * g_ddraw->render.unscale_w)), g_ddraw->width);
-            y = min((DWORD)(roundf(pt.y * g_ddraw->render.unscale_h)), g_ddraw->height);
+            x = min((DWORD)(roundf(pt.x * g_ddraw->render.unscale_w)), g_ddraw->width - 1);
+            y = min((DWORD)(roundf(pt.y * g_ddraw->render.unscale_h)), g_ddraw->height - 1);
         }
         else
         {
-            x = pt.x;
-            y = pt.y;
+            x = min(pt.x, g_ddraw->width - 1);
+            y = min(pt.y, g_ddraw->height - 1);
         }
 
         if (g_ddraw->vhack && InterlockedExchangeAdd(&g_ddraw->upscale_hack_active, 0))
diff --git a/src/wndproc.c b/src/wndproc.c
index f52f317..b10c797 100644
--- a/src/wndproc.c
+++ b/src/wndproc.c
@@ -736,8 +736,8 @@ LRESULT CALLBACK fake_WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam
             }
         }
 
-        x = min(x, g_ddraw->width);
-        y = min(y, g_ddraw->height);
+        x = min(x, g_ddraw->width - 1);
+        y = min(y, g_ddraw->height - 1);
 
         InterlockedExchange((LONG*)&g_ddraw->cursor.x, x);
         InterlockedExchange((LONG*)&g_ddraw->cursor.y, y);