diff --git a/debian/changelog b/debian/changelog
index f432548..f866c15 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+lubuntu-artwork (0.71.1) bionic; urgency=medium
+
+  * Fix support for GtkTreeView separators (LP: #1781689).
+
+ -- Simon Quigley <tsimonq2@ubuntu.com>  Sat, 14 Jul 2018 01:58:17 -0500
+
 lubuntu-artwork (0.71) bionic; urgency=medium
 
   * src/usr/share/plymouth/themes/lubuntu-next-logo:
diff --git a/src/usr/share/themes/Box10/gtk-3.20/gtk-widgets.css b/src/usr/share/themes/Box10/gtk-3.20/gtk-widgets.css
index aabb6b6..8959afc 100644
--- a/src/usr/share/themes/Box10/gtk-3.20/gtk-widgets.css
+++ b/src/usr/share/themes/Box10/gtk-3.20/gtk-widgets.css
@@ -2352,6 +2352,11 @@ treeview.view {
 	border-color: @selected_bg_color;
 }
 
+treeview.view.separator {
+    min-height: 2px;
+    color: @borders;
+}
+
 /************
  * viewport *
  ************/
diff --git a/src/usr/share/themes/Box11/gtk-3.0/gtk-widgets.css b/src/usr/share/themes/Box11/gtk-3.0/gtk-widgets.css
index 65a9ed5..180d417 100644
--- a/src/usr/share/themes/Box11/gtk-3.0/gtk-widgets.css
+++ b/src/usr/share/themes/Box11/gtk-3.0/gtk-widgets.css
@@ -2510,6 +2510,11 @@ treeview.view {
 	border-color: @selected_bg_color;
 }
 
+treeview.view.separator {
+    min-height: 2px;
+    color: @borders;
+}
+
 /************
  * viewport *
  ************/
diff --git a/src/usr/share/themes/Box11/gtk-3.20/gtk-widgets.css b/src/usr/share/themes/Box11/gtk-3.20/gtk-widgets.css
index 65a9ed5..180d417 100644
--- a/src/usr/share/themes/Box11/gtk-3.20/gtk-widgets.css
+++ b/src/usr/share/themes/Box11/gtk-3.20/gtk-widgets.css
@@ -2510,6 +2510,11 @@ treeview.view {
 	border-color: @selected_bg_color;
 }
 
+treeview.view.separator {
+    min-height: 2px;
+    color: @borders;
+}
+
 /************
  * viewport *
  ************/
diff --git a/src/usr/share/themes/Box9/gtk-3.20/gtk-widgets.css b/src/usr/share/themes/Box9/gtk-3.20/gtk-widgets.css
index aabb6b6..8959afc 100644
--- a/src/usr/share/themes/Box9/gtk-3.20/gtk-widgets.css
+++ b/src/usr/share/themes/Box9/gtk-3.20/gtk-widgets.css
@@ -2352,6 +2352,11 @@ treeview.view {
 	border-color: @selected_bg_color;
 }
 
+treeview.view.separator {
+    min-height: 2px;
+    color: @borders;
+}
+
 /************
  * viewport *
  ************/
diff --git a/src/usr/share/themes/Lubuntu-default/gtk-3.0/gtk-widgets.css b/src/usr/share/themes/Lubuntu-default/gtk-3.0/gtk-widgets.css
index 65a9ed5..180d417 100644
--- a/src/usr/share/themes/Lubuntu-default/gtk-3.0/gtk-widgets.css
+++ b/src/usr/share/themes/Lubuntu-default/gtk-3.0/gtk-widgets.css
@@ -2510,6 +2510,11 @@ treeview.view {
 	border-color: @selected_bg_color;
 }
 
+treeview.view.separator {
+    min-height: 2px;
+    color: @borders;
+}
+
 /************
  * viewport *
  ************/
diff --git a/src/usr/share/themes/Lubuntu-default/gtk-3.20/gtk-widgets.css b/src/usr/share/themes/Lubuntu-default/gtk-3.20/gtk-widgets.css
index 65a9ed5..180d417 100644
--- a/src/usr/share/themes/Lubuntu-default/gtk-3.20/gtk-widgets.css
+++ b/src/usr/share/themes/Lubuntu-default/gtk-3.20/gtk-widgets.css
@@ -2510,6 +2510,11 @@ treeview.view {
 	border-color: @selected_bg_color;
 }
 
+treeview.view.separator {
+    min-height: 2px;
+    color: @borders;
+}
+
 /************
  * viewport *
  ************/