diff --git a/ui/viewerwidget.cpp b/ui/viewerwidget.cpp
index 8a652d5ca..b0ef15d5e 100644
--- a/ui/viewerwidget.cpp
+++ b/ui/viewerwidget.cpp
@@ -438,7 +438,7 @@ GLuint ViewerWidget::compose_sequence(QVector<Clip*>& nests, bool render_audio)
 					coords.textureTopLeftY = coords.textureTopRightY = coords.textureTopLeftX = coords.textureBottomLeftX = 0;
 					coords.textureBottomLeftY = coords.textureBottomRightY = coords.textureTopRightX = coords.textureBottomRightX = 1.0;
 
-					if (c->autoscale && (video_width != s->width || video_height != s->height)) {
+                    if (c->autoscale && (video_width != s->width && video_height != s->height)) {
 						double width_multiplier = (double) s->width / (double) video_width;
 						double height_multiplier = (double) s->height / (double) video_height;
 						double scale_multiplier = qMin(width_multiplier, height_multiplier);