diff --git a/src/insets/InsetLine.cpp b/src/insets/InsetLine.cpp
index 379e1ed20f..316c9e5d8d 100644
--- a/src/insets/InsetLine.cpp
+++ b/src/insets/InsetLine.cpp
@@ -46,12 +46,15 @@ void InsetLine::metrics(MetricsInfo & mi, Dimension & dim) const
 	dim.asc = 3;
 	dim.des = 3;
 	dim.wid = mi.base.textwidth;
+	// Cache the inset dimension. 
+	setDimCache(mi, dim);
 }
 
 
 void InsetLine::draw(PainterInfo & pi, int x, int y) const
 {
-	pi.pain.line(x, y, x + pi.base.textwidth, y, Color::topline,
+	Dimension const dim = dimension(*pi.base.bv);
+	pi.pain.line(x, y, x + dim.wid, y, Color::topline,
 		Painter::line_solid, Painter::line_thick);
 }
 
diff --git a/src/insets/InsetPagebreak.cpp b/src/insets/InsetPagebreak.cpp
index 37f1123ef7..0ee79aa6c2 100644
--- a/src/insets/InsetPagebreak.cpp
+++ b/src/insets/InsetPagebreak.cpp
@@ -46,6 +46,8 @@ void InsetPagebreak::metrics(MetricsInfo & mi, Dimension & dim) const
 	dim.asc = defaultRowHeight();
 	dim.des = defaultRowHeight();
 	dim.wid = mi.base.textwidth;
+	// Cache the inset dimension. 
+	setDimCache(mi, dim);
 }
 
 
@@ -55,12 +57,14 @@ void InsetPagebreak::draw(PainterInfo & pi, int x, int y) const
 	font.setColor(Color::pagebreak);
 	font.decSize();
 
+	Dimension const dim = dimension(*pi.base.bv);
+
 	int w = 0;
 	int a = 0;
 	int d = 0;
 	theFontMetrics(font).rectText(insetLabel(), w, a, d);
 
-	int const text_start = int(x + (pi.base.textwidth - w) / 2);
+	int const text_start = int(x + (dim.wid - w) / 2);
 	int const text_end = text_start + w;
 
 	pi.pain.rectText(text_start, y + d, insetLabel(), font,
@@ -68,7 +72,7 @@ void InsetPagebreak::draw(PainterInfo & pi, int x, int y) const
 
 	pi.pain.line(x, y, text_start, y,
 		   Color::pagebreak, Painter::line_onoffdash);
-	pi.pain.line(text_end, y, int(x + pi.base.textwidth), y,
+	pi.pain.line(text_end, y, int(x + dim.wid), y,
 		   Color::pagebreak, Painter::line_onoffdash);
 }