diff --git a/emacs/.emacs.d/prot-emacs-modules/prot-emacs-essentials.el b/emacs/.emacs.d/prot-emacs-modules/prot-emacs-essentials.el
index f5dc43ea..e10da782 100644
--- a/emacs/.emacs.d/prot-emacs-modules/prot-emacs-essentials.el
+++ b/emacs/.emacs.d/prot-emacs-modules/prot-emacs-essentials.el
@@ -69,7 +69,7 @@
 (use-package prot-common
   :ensure nil
   :functions (prot-common-truncate-lines-silently)
-  :hook ((text-mode prog-mode dired-mode prot/fundamental-mode) . prot-common-truncate-lines-silently)
+  :hook ((text-mode prog-mode dired-mode prot/fundamental-mode hexl-mode) . prot-common-truncate-lines-silently)
   :init
   (defvar prot/fundamental-mode-hook nil
     "Normal hook for `fundamental-mode' (which is missing by default).")
diff --git a/emacs/.emacs.d/prot-emacs.org b/emacs/.emacs.d/prot-emacs.org
index 50d1485c..afe21604 100644
--- a/emacs/.emacs.d/prot-emacs.org
+++ b/emacs/.emacs.d/prot-emacs.org
@@ -2430,7 +2430,7 @@ here:
 (use-package prot-common
   :ensure nil
   :functions (prot-common-truncate-lines-silently)
-  :hook ((text-mode prog-mode dired-mode prot/fundamental-mode) . prot-common-truncate-lines-silently)
+  :hook ((text-mode prog-mode dired-mode prot/fundamental-mode hexl-mode) . prot-common-truncate-lines-silently)
   :init
   (defvar prot/fundamental-mode-hook nil
     "Normal hook for `fundamental-mode' (which is missing by default).")