diff --git a/src/qt/qt_openglrenderer.cpp b/src/qt/qt_openglrenderer.cpp
index 70c70527a..88fefa0c3 100644
--- a/src/qt/qt_openglrenderer.cpp
+++ b/src/qt/qt_openglrenderer.cpp
@@ -1667,6 +1667,9 @@ OpenGLRenderer::render()
 
         unsigned char *rgba = (unsigned char *)calloc(1, width * height * 4);
         
+        glw.glFinish();
+        glw.glBindFramebuffer(GL_FRAMEBUFFER, 0);
+        glw.glReadBuffer(GL_BACK);
         glw.glFinish();
         glw.glReadPixels(window_rect.x, window_rect.y, width, height, GL_RGBA, GL_UNSIGNED_BYTE, rgba);