diff --git a/dlls/ddraw/tests/ddraw1.c b/dlls/ddraw/tests/ddraw1.c
index 5ab1c80ba78..c306c4db1a3 100644
--- a/dlls/ddraw/tests/ddraw1.c
+++ b/dlls/ddraw/tests/ddraw1.c
@@ -2281,9 +2281,9 @@ static void test_redundant_mode_set(void)
 {
     DDSURFACEDESC surface_desc = {0};
     IDirectDraw *ddraw;
+    RECT q, r, s;
     HWND window;
     HRESULT hr;
-    RECT r, s;
     ULONG ref;
 
     window = CreateWindowA("static", "ddraw_test", WS_OVERLAPPEDWINDOW,
@@ -2302,7 +2302,8 @@ static void test_redundant_mode_set(void)
             U1(surface_desc.ddpfPixelFormat).dwRGBBitCount);
     ok(SUCCEEDED(hr), "SetDisplayMode failed, hr %#x.\n", hr);
 
-    GetWindowRect(window, &r);
+    GetWindowRect(window, &q);
+    r = q;
     r.right /= 2;
     r.bottom /= 2;
     SetWindowPos(window, HWND_TOP, r.left, r.top, r.right, r.bottom, 0);
@@ -2314,7 +2315,8 @@ static void test_redundant_mode_set(void)
     ok(SUCCEEDED(hr), "SetDisplayMode failed, hr %#x.\n", hr);
 
     GetWindowRect(window, &s);
-    ok(EqualRect(&r, &s), "Expected %s, got %s.\n", wine_dbgstr_rect(&r), wine_dbgstr_rect(&s));
+    ok(EqualRect(&r, &s) || broken(EqualRect(&q, &s) /* Windows 10 */),
+            "Expected %s, got %s.\n", wine_dbgstr_rect(&r), wine_dbgstr_rect(&s));
 
     ref = IDirectDraw_Release(ddraw);
     ok(ref == 0, "The ddraw object was not properly freed: refcount %u.\n", ref);
diff --git a/dlls/ddraw/tests/ddraw2.c b/dlls/ddraw/tests/ddraw2.c
index ca349be633d..8a7801ee3e5 100644
--- a/dlls/ddraw/tests/ddraw2.c
+++ b/dlls/ddraw/tests/ddraw2.c
@@ -2414,9 +2414,9 @@ static void test_redundant_mode_set(void)
 {
     DDSURFACEDESC surface_desc = {0};
     IDirectDraw2 *ddraw;
+    RECT q, r, s;
     HWND window;
     HRESULT hr;
-    RECT r, s;
     ULONG ref;
 
     window = CreateWindowA("static", "ddraw_test", WS_OVERLAPPEDWINDOW,
@@ -2435,7 +2435,8 @@ static void test_redundant_mode_set(void)
             U1(surface_desc.ddpfPixelFormat).dwRGBBitCount, 0, 0);
     ok(SUCCEEDED(hr), "SetDisplayMode failed, hr %#x.\n", hr);
 
-    GetWindowRect(window, &r);
+    GetWindowRect(window, &q);
+    r = q;
     r.right /= 2;
     r.bottom /= 2;
     SetWindowPos(window, HWND_TOP, r.left, r.top, r.right, r.bottom, 0);
@@ -2447,7 +2448,8 @@ static void test_redundant_mode_set(void)
     ok(SUCCEEDED(hr), "SetDisplayMode failed, hr %#x.\n", hr);
 
     GetWindowRect(window, &s);
-    ok(EqualRect(&r, &s), "Expected %s, got %s.\n", wine_dbgstr_rect(&r), wine_dbgstr_rect(&s));
+    ok(EqualRect(&r, &s) || broken(EqualRect(&q, &s) /* Windows 10 */),
+            "Expected %s, got %s.\n", wine_dbgstr_rect(&r), wine_dbgstr_rect(&s));
 
     ref = IDirectDraw2_Release(ddraw);
     ok(ref == 0, "The ddraw object was not properly freed: refcount %u.\n", ref);
diff --git a/dlls/ddraw/tests/ddraw4.c b/dlls/ddraw/tests/ddraw4.c
index bad06ea37fd..048331dfc39 100644
--- a/dlls/ddraw/tests/ddraw4.c
+++ b/dlls/ddraw/tests/ddraw4.c
@@ -2552,9 +2552,9 @@ static void test_redundant_mode_set(void)
 {
     DDSURFACEDESC2 surface_desc = {0};
     IDirectDraw4 *ddraw;
+    RECT q, r, s;
     HWND window;
     HRESULT hr;
-    RECT r, s;
     ULONG ref;
 
     window = CreateWindowA("static", "ddraw_test", WS_OVERLAPPEDWINDOW,
@@ -2573,7 +2573,8 @@ static void test_redundant_mode_set(void)
             U1(U4(surface_desc).ddpfPixelFormat).dwRGBBitCount, 0, 0);
     ok(SUCCEEDED(hr), "SetDisplayMode failed, hr %#x.\n", hr);
 
-    GetWindowRect(window, &r);
+    GetWindowRect(window, &q);
+    r = q;
     r.right /= 2;
     r.bottom /= 2;
     SetWindowPos(window, HWND_TOP, r.left, r.top, r.right, r.bottom, 0);
@@ -2585,7 +2586,8 @@ static void test_redundant_mode_set(void)
     ok(SUCCEEDED(hr), "SetDisplayMode failed, hr %#x.\n", hr);
 
     GetWindowRect(window, &s);
-    ok(EqualRect(&r, &s), "Expected %s, got %s.\n", wine_dbgstr_rect(&r), wine_dbgstr_rect(&s));
+    ok(EqualRect(&r, &s) || broken(EqualRect(&q, &s) /* Windows 10 */),
+            "Expected %s, got %s.\n", wine_dbgstr_rect(&r), wine_dbgstr_rect(&s));
 
     ref = IDirectDraw4_Release(ddraw);
     ok(ref == 0, "The ddraw object was not properly freed: refcount %u.\n", ref);
diff --git a/dlls/ddraw/tests/ddraw7.c b/dlls/ddraw/tests/ddraw7.c
index 5e176c77205..d1ff85d5d54 100644
--- a/dlls/ddraw/tests/ddraw7.c
+++ b/dlls/ddraw/tests/ddraw7.c
@@ -2279,9 +2279,9 @@ static void test_redundant_mode_set(void)
 {
     DDSURFACEDESC2 surface_desc = {0};
     IDirectDraw7 *ddraw;
+    RECT q, r, s;
     HWND window;
     HRESULT hr;
-    RECT r, s;
     ULONG ref;
 
     window = CreateWindowA("static", "ddraw_test", WS_OVERLAPPEDWINDOW,
@@ -2299,7 +2299,8 @@ static void test_redundant_mode_set(void)
             U1(U4(surface_desc).ddpfPixelFormat).dwRGBBitCount, 0, 0);
     ok(SUCCEEDED(hr), "SetDisplayMode failed, hr %#x.\n", hr);
 
-    GetWindowRect(window, &r);
+    GetWindowRect(window, &q);
+    r = q;
     r.right /= 2;
     r.bottom /= 2;
     SetWindowPos(window, HWND_TOP, r.left, r.top, r.right, r.bottom, 0);
@@ -2311,7 +2312,8 @@ static void test_redundant_mode_set(void)
     ok(SUCCEEDED(hr), "SetDisplayMode failed, hr %#x.\n", hr);
 
     GetWindowRect(window, &s);
-    ok(EqualRect(&r, &s), "Expected %s, got %s.\n", wine_dbgstr_rect(&r), wine_dbgstr_rect(&s));
+    ok(EqualRect(&r, &s) || broken(EqualRect(&q, &s) /* Windows 10 */),
+            "Expected %s, got %s.\n", wine_dbgstr_rect(&r), wine_dbgstr_rect(&s));
 
     ref = IDirectDraw7_Release(ddraw);
     ok(ref == 0, "The ddraw object was not properly freed: refcount %u.\n", ref);