2 files changed, 10 insertions, 9 deletions
diff --git a/libdocument/ev-document-misc.c b/libdocument/ev-document-misc.c
index c530018e..6794d050 100644
--- a/libdocument/ev-document-misc.c
+++ b/libdocument/ev-document-misc.c
@@ -372,15 +372,14 @@ ev_document_misc_invert_pixbuf (GdkPixbuf *pixbuf)
 }
 
 gdouble
+#if GTK_CHECK_VERSION (3, 22, 0)
+ev_document_misc_get_screen_dpi (GdkScreen *screen, GdkMonitor *monitor)
+#else
 ev_document_misc_get_screen_dpi (GdkScreen *screen, gint monitor)
+#endif
 {
 	gdouble dp, di;
 	gint sc_width, sc_height;
-#if GTK_CHECK_VERSION (3, 22, 0)
-	GdkMonitor      *monitor_id;
-
-	monitor_id = gdk_display_get_monitor (gdk_screen_get_display (screen), monitor);
-#endif
 
 	gdk_window_get_geometry (gdk_screen_get_root_window (screen), NULL, NULL,
 				 &sc_width, &sc_height);
@@ -390,12 +389,10 @@ ev_document_misc_get_screen_dpi (GdkScreen *screen, gint monitor)
 
 	/*diagonal in inches*/
 #if GTK_CHECK_VERSION (3, 22, 0)
-	di = hypot (gdk_monitor_get_width_mm(monitor_id), gdk_monitor_get_height_mm (monitor_id)) / 25.4;
+	di = hypot (gdk_monitor_get_width_mm(monitor), gdk_monitor_get_height_mm (monitor)) / 25.4;
+	di /= gdk_monitor_get_scale_factor (monitor);
 #else
 	di = hypot (gdk_screen_get_width_mm(screen), gdk_screen_get_height_mm (screen)) / 25.4;
-#endif
-
-#ifdef HAVE_HIDPI_SUPPORT
 	di /= gdk_screen_get_monitor_scale_factor(screen, monitor);
 #endif
 
diff --git a/libdocument/ev-document-misc.h b/libdocument/ev-document-misc.h
index e6480ed0..25e3b8ce 100644
--- a/libdocument/ev-document-misc.h
+++ b/libdocument/ev-document-misc.h
@@ -58,7 +58,11 @@ cairo_surface_t *ev_document_misc_surface_rotate_and_scale (cairo_surface_t *sur
 void             ev_document_misc_invert_surface (cairo_surface_t *surface);
 void		 ev_document_misc_invert_pixbuf  (GdkPixbuf       *pixbuf);
 
+#if GTK_CHECK_VERSION (3, 22, 0)
+gdouble          ev_document_misc_get_screen_dpi (GdkScreen *screen, GdkMonitor *monitor);
+#else
 gdouble          ev_document_misc_get_screen_dpi (GdkScreen *screen, gint monitor);
+#endif
 
 gchar           *ev_document_misc_format_date (GTime utime);