diff --git a/engine/gl/gl_rmain.c b/engine/gl/gl_rmain.c
index 41f265641..f3979e67f 100644
--- a/engine/gl/gl_rmain.c
+++ b/engine/gl/gl_rmain.c
@@ -2163,7 +2163,7 @@ void GLR_RenderView (void)
 
 
 
-	if (gl_motionblur.value>=0 && gl_motionblur.value < 1)
+	if (gl_motionblur.value>0 && gl_motionblur.value < 1 && qglCopyTexImage2D)
 	{
 		int vwidth = 1, vheight = 1;
 		float vs, vt, cs, ct;