diff --git a/Pdf4QtLib/sources/pdfdrawspacecontroller.cpp b/Pdf4QtLib/sources/pdfdrawspacecontroller.cpp
index f3830cb..9900839 100644
--- a/Pdf4QtLib/sources/pdfdrawspacecontroller.cpp
+++ b/Pdf4QtLib/sources/pdfdrawspacecontroller.cpp
@@ -1329,7 +1329,7 @@ void PDFDrawWidgetProxy::updateRenderer(bool useOpenGL, const QSurfaceFormat& su
 {
     m_useOpenGL = useOpenGL;
     m_surfaceFormat = surfaceFormat;
-    m_rasterizer->reset(useOpenGL, surfaceFormat);
+    m_rasterizer->reset(useOpenGL && ENABLE_OPENGL_FOR_THUMBNAILS, surfaceFormat);
 }
 
 void PDFDrawWidgetProxy::prefetchPages(PDFInteger pageIndex)
diff --git a/Pdf4QtLib/sources/pdfdrawspacecontroller.h b/Pdf4QtLib/sources/pdfdrawspacecontroller.h
index b234a58..e1d2be6 100644
--- a/Pdf4QtLib/sources/pdfdrawspacecontroller.h
+++ b/Pdf4QtLib/sources/pdfdrawspacecontroller.h
@@ -471,6 +471,8 @@ private:
         constexpr inline T bound(T value) { return qBound(min, value, max); }
     };
 
+    static constexpr bool ENABLE_OPENGL_FOR_THUMBNAILS = false;
+
     /// Flag, disables the update
     bool m_updateDisabled;