diff --git a/src/tracks/Pattern.cpp b/src/tracks/Pattern.cpp
index e726ca2ee..01d51fbae 100644
--- a/src/tracks/Pattern.cpp
+++ b/src/tracks/Pattern.cpp
@@ -884,7 +884,7 @@ void PatternView::paintEvent( QPaintEvent * )
 	const float ppt = fixedTCOs() ?
 			( parentWidget()->width() - 2 * TCO_BORDER_WIDTH )
 					/ (float) m_pat->length().getTact() :
-				( width() - 2 * TCO_BORDER_WIDTH )
+				( width() - TCO_BORDER_WIDTH )
 					/ (float) m_pat->length().getTact();
 
 	const int x_base = TCO_BORDER_WIDTH;