diff --git a/modules/languages/siren-dockerfile.el b/modules/languages/siren-dockerfile.el
index d1a50c1..b014810 100644
--- a/modules/languages/siren-dockerfile.el
+++ b/modules/languages/siren-dockerfile.el
@@ -7,7 +7,7 @@
 ;;; Code:
 
 (use-package dockerfile-mode
-  :mode "Dockerfile.*\\'"
+  :mode "/Dockerfile\\'" "/Dockerfile\\..+\\'"
   :hook (dockerfile-mode . siren-dockerfile-mode-setup)
 
   :init
diff --git a/modules/languages/siren-gitconfig.el b/modules/languages/siren-gitconfig.el
index aafd9ea..9cd2ac5 100644
--- a/modules/languages/siren-gitconfig.el
+++ b/modules/languages/siren-gitconfig.el
@@ -7,7 +7,7 @@
 ;;; Code:
 
 (use-package gitconfig-mode
-  :mode "\\.gitconfig" "gitconfig\\'" "\\.git\\\/config"
+  :mode "\\.gitconfig\\'" "gitconfig\\'" "\\.git/config\\'"
   :hook (gitconfig-mode . siren-gitconfig-mode-setup)
 
   :init