1 files changed, 5 insertions, 2 deletions
diff --git a/src/opengl/qopengltextureglyphcache.cpp b/src/opengl/qopengltextureglyphcache.cpp
index 39f39c554d..0bab710b1b 100644
--- a/src/opengl/qopengltextureglyphcache.cpp
+++ b/src/opengl/qopengltextureglyphcache.cpp
@@ -13,7 +13,7 @@ QT_BEGIN_NAMESPACE
 
 static int next_qopengltextureglyphcache_serial_number()
 {
-    static QBasicAtomicInt serial = Q_BASIC_ATOMIC_INITIALIZER(0);
+    Q_CONSTINIT static QBasicAtomicInt serial = Q_BASIC_ATOMIC_INITIALIZER(0);
     return 1 + serial.fetchAndAddRelaxed(1);
 }
 
@@ -407,7 +407,10 @@ void QOpenGLTextureGlyphCache::fillTexture(const Coord &c,
 
 int QOpenGLTextureGlyphCache::glyphPadding() const
 {
-    return 1;
+    if (m_format == QFontEngine::Format_Mono)
+        return 8;
+    else
+        return 1;
 }
 
 int QOpenGLTextureGlyphCache::maxTextureWidth() const