diff --git a/dlls/gdi32/tests/font.c b/dlls/gdi32/tests/font.c
index 876b312..9daacfd 100644
--- a/dlls/gdi32/tests/font.c
+++ b/dlls/gdi32/tests/font.c
@@ -4804,7 +4804,12 @@ static void test_vertical_font(void)
     int num;
     BOOL ret, installed, selected;
     GLYPHMETRICS gm;
-    WORD hgi, vgi;
+    WORD bgi, hgi, vgi;
+
+    LOGFONTA lf;
+    HFONT hfont, hfont_prev;
+    HDC hdc;
+    static const WCHAR str[] = { 0x2025 };
 
     if (!pAddFontResourceExA || !pRemoveFontResourceExA || !pGetGlyphIndicesW)
     {
@@ -4821,6 +4826,36 @@ static void test_vertical_font(void)
     num = pAddFontResourceExA(ttf_name, FR_PRIVATE, 0);
     ok(num == 2, "AddFontResourceExA should add 2 fonts from vertical.ttf\n");
 
+    lf.lfHeight = -18;
+    lf.lfWidth = 0;
+    lf.lfEscapement = 0;
+    lf.lfOrientation = 0;
+    lf.lfWeight = FW_DONTCARE;
+    lf.lfItalic = 0;
+    lf.lfUnderline = 0;
+    lf.lfStrikeOut = 0;
+    lf.lfCharSet = DEFAULT_CHARSET;
+    lf.lfOutPrecision = OUT_TT_ONLY_PRECIS;
+    lf.lfClipPrecision = CLIP_DEFAULT_PRECIS;
+    lf.lfQuality = DEFAULT_QUALITY;
+    lf.lfPitchAndFamily = DEFAULT_PITCH | FF_DONTCARE;
+    strcpy(lf.lfFaceName, "WineTestVertical");
+
+    hfont = CreateFontIndirectA(&lf);
+    ok(hfont != NULL, "CreateFontIndirectA failed\n");
+
+    hdc = GetDC(NULL);
+
+    hfont_prev = SelectObject(hdc, hfont);
+    ok(hfont_prev != NULL, "SelectObject failed\n");
+
+    ret = pGetGlyphIndicesW(hdc, str, 1, &bgi, 0);
+    ok(ret != GDI_ERROR, "GetGlyphIndicesW failed\n");
+
+    SelectObject(hdc, hfont_prev);
+    DeleteObject(hfont);
+    ReleaseDC(NULL, hdc);
+
     check_vertical_font("@WineTestVertical", &installed, &selected, &gm, &hgi);
     ok(installed, "@WineTestVertical is not installed\n");
     ok(selected, "@WineTestVertical is not selected\n");
@@ -4828,6 +4863,8 @@ static void test_vertical_font(void)
        "gmBlackBoxX(%u) should be greater than gmBlackBoxY(%u) if horizontal\n",
        gm.gmBlackBoxX, gm.gmBlackBoxY);
 
+    ok(hgi != bgi, "same glyph h:%u v:%u\n", hgi, bgi);
+
     check_vertical_font("@@WineTestVertical", &installed, &selected, &gm, &vgi);
     ok(installed, "@@WineTestVertical is not installed\n");
     ok(selected, "@@WineTestVertical is not selected\n");