diff --git a/zathura/adjustment.c b/zathura/adjustment.c
index 06e84d3..b983571 100644
--- a/zathura/adjustment.c
+++ b/zathura/adjustment.c
@@ -158,11 +158,11 @@ page_is_visible(zathura_document_t *document, unsigned int page_number)
 void
 zathura_adjustment_set_value(GtkAdjustment* adjustment, gdouble value)
 {
-  gtk_adjustment_set_value(adjustment,
-                           MAX(gtk_adjustment_get_lower(adjustment),
-                               MIN(gtk_adjustment_get_upper(adjustment) -
-                                   gtk_adjustment_get_page_size(adjustment),
-                                   value)));
+  const gdouble lower        = gtk_adjustment_get_lower(adjustment);
+  const gdouble upper_m_size = gtk_adjustment_get_upper(adjustment) -
+                               gtk_adjustment_get_page_size(adjustment);
+
+  gtk_adjustment_set_value(adjustment, MAX(lower, MIN(upper_m_size, value)));
 }
 
 gdouble