diff --git a/ui/renderfunctions.cpp b/ui/renderfunctions.cpp
index 636cb1a0f..ffd8a4f74 100644
--- a/ui/renderfunctions.cpp
+++ b/ui/renderfunctions.cpp
@@ -28,7 +28,8 @@ extern "C" {
 	#include <libavformat/avformat.h>
 }
 
-#define GL_DEFAULT_BLEND glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ONE)
+//#define GL_DEFAULT_BLEND glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ONE)
+#define GL_DEFAULT_BLEND glBlendFuncSeparate(GL_ONE, GL_ONE, GL_ONE, GL_ONE)
 
 GLuint draw_clip(QOpenGLContext* ctx, QOpenGLFramebufferObject* fbo, GLuint texture, bool clear) {
 	glPushMatrix();
diff --git a/ui/renderthread.cpp b/ui/renderthread.cpp
index 66b7d0d55..9039ca423 100644
--- a/ui/renderthread.cpp
+++ b/ui/renderthread.cpp
@@ -101,6 +101,7 @@ void RenderThread::paint() {
 
 	glClearColor(0, 0, 0, 0);
 	glMatrixMode(GL_MODELVIEW);
+
 	glEnable(GL_TEXTURE_2D);
 	glEnable(GL_BLEND);
 	glEnable(GL_DEPTH);
diff --git a/ui/viewerwidget.cpp b/ui/viewerwidget.cpp
index 0126a073b..c917bb43d 100644
--- a/ui/viewerwidget.cpp
+++ b/ui/viewerwidget.cpp
@@ -179,8 +179,7 @@ void ViewerWidget::fullscreen_menu_action(QAction *action) {
 		QScreen* selected_screen = QGuiApplication::screens().at(action->data().toInt());
 		window->showFullScreen();
 		window->setGeometry(selected_screen->geometry());
-		window->update();
-//		window->show();
+		QTimer::singleShot(100, window, SLOT(update()));
 	}
 }
 
@@ -449,6 +448,9 @@ void ViewerWidget::paintGL() {
 		glClearColor(0.0, 0.0, 0.0, 1.0);
 		glClear(GL_COLOR_BUFFER_BIT);
 
+		// set color multipler to straight white
+		glColor4f(1.0, 1.0, 1.0, 1.0);
+
 		glEnable(GL_TEXTURE_2D);
 
 		// set screen coords to widget size