--- a/src/drivers/video_glx.c	Wed Feb 15 17:54:51 2012 +1000
+++ b/src/drivers/video_glx.c	Fri Feb 24 21:17:47 2012 +1000
@@ -402,6 +402,7 @@
     glRasterPos2f(0.375, frame->height-0.375);
     glPixelZoom( 1.0, 1.0 );
     glDrawPixels( frame->width, frame->height, format, type, frame->data );
+    glPixelStorei( GL_UNPACK_ROW_LENGTH, 0 );
     glFlush();
 }