diff --git a/icon-themes/colibre/res/notebookbar.png b/icon-themes/colibre/res/notebookbar.png
index 90418a61a0c2..35313443bb08 100644
Binary files a/icon-themes/colibre/res/notebookbar.png and b/icon-themes/colibre/res/notebookbar.png differ
diff --git a/icon-themes/colibre_svg/res/notebookbar.svg b/icon-themes/colibre_svg/res/notebookbar.svg
index 0d1f7982433c..e92faf64a577 100644
--- a/icon-themes/colibre_svg/res/notebookbar.svg
+++ b/icon-themes/colibre_svg/res/notebookbar.svg
@@ -1 +1 @@
-<svg viewBox="0 0 16 16" xmlns="http://www.w3.org/2000/svg"><path d="m2 2v2h14v-2zm0 5v2h14v-2zm0 5v2h14v-2z" fill="#505050"/></svg>
\ No newline at end of file
+<svg viewBox="0 0 16 16" xmlns="http://www.w3.org/2000/svg"><path d="M 1 2 L 1 4 L 15 4 L 15 2 L 1 2 z M 1 7 L 1 9 L 15 9 L 15 7 L 1 7 z M 1 12 L 1 14 L 15 14 L 15 12 L 1 12 z " fill="#505050"/></svg>