diff --git a/browser/themes/linux/browser.css b/browser/themes/linux/browser.css
index b592c255e156..dab2f55c7115 100644
--- a/browser/themes/linux/browser.css
+++ b/browser/themes/linux/browser.css
@@ -1566,11 +1566,17 @@ html|span.ac-tag {
 /* Tabstrip new tab button */
 .tabs-newtab-button,
 #TabsToolbar > #new-tab-button ,
-#TabsToolbar > #wrapper-new-tab-button > #new-tab-button {
-  list-style-image: url("moz-icon://stock/gtk-add?size=menu");
+#TabsToolbar > toolbarpaletteitem > #new-tab-button {
+  list-style-image: url(chrome://browser/skin/tabbrowser/newtab.svg);
   -moz-image-region: auto;
 }
 
+#TabsToolbar[brighttext] .tabs-newtab-button,
+#TabsToolbar[brighttext] > #new-tab-button,
+#TabsToolbar[brighttext] > toolbarpaletteitem > #new-tab-button {
+  list-style-image: url(chrome://browser/skin/tabbrowser/newtab-inverted.svg);
+}
+
 /* Tabbrowser arrowscrollbox arrows */
 .tabbrowser-arrowscrollbox > .scrollbutton-up > .toolbarbutton-icon,
 .tabbrowser-arrowscrollbox > .scrollbutton-down > .toolbarbutton-icon {
diff --git a/browser/themes/linux/jar.mn b/browser/themes/linux/jar.mn
index 5035f7257c0f..8e2efa5b7111 100644
--- a/browser/themes/linux/jar.mn
+++ b/browser/themes/linux/jar.mn
@@ -101,6 +101,8 @@ browser.jar:
   skin/classic/browser/tabbrowser/alltabs.png         (tabbrowser/alltabs.png)
   skin/classic/browser/tabbrowser/alltabs-inverted.png (tabbrowser/alltabs-inverted.png)
   skin/classic/browser/tabbrowser/connecting.png      (tabbrowser/connecting.png)
+  skin/classic/browser/tabbrowser/newtab.svg                (tabbrowser/newtab.svg)
+  skin/classic/browser/tabbrowser/newtab-inverted.svg       (tabbrowser/newtab-inverted.svg)
   skin/classic/browser/tabbrowser/tab-active-middle.png     (tabbrowser/tab-active-middle.png)
   skin/classic/browser/tabbrowser/tab-arrow-left.png        (tabbrowser/tab-arrow-left.png)
   skin/classic/browser/tabbrowser/tab-arrow-left-inverted.png (tabbrowser/tab-arrow-left-inverted.png)