diff --git a/src/gl/system/gl_framebuffer.cpp b/src/gl/system/gl_framebuffer.cpp
index 108f4f7275..8180847062 100644
--- a/src/gl/system/gl_framebuffer.cpp
+++ b/src/gl/system/gl_framebuffer.cpp
@@ -164,7 +164,8 @@ void OpenGLFrameBuffer::InitializeState()
 //
 //==========================================================================
 
-CVAR(Bool, gl_draw_sync, false, CVAR_ARCHIVE|CVAR_GLOBALCONFIG)
+// Testing only for now. 
+CVAR(Bool, gl_draw_sync, true, 0) //false, CVAR_ARCHIVE|CVAR_GLOBALCONFIG)
 
 void OpenGLFrameBuffer::Update()
 {