diff --git a/ShellScript/Bash.sublime-syntax b/ShellScript/Bash.sublime-syntax
index 11b9c9a39c..0fcff933ed 100644
--- a/ShellScript/Bash.sublime-syntax
+++ b/ShellScript/Bash.sublime-syntax
@@ -13,6 +13,7 @@ file_extensions:
   - sh
   - bash
   - zsh
+  - ash
   - .bash_aliases
   - .bash_completions
   - .bash_functions
@@ -33,22 +34,9 @@ file_extensions:
   - .eclass
 
 first_line_match: |
-  (?x)                     # ignore whitespace in this regex
-    ^                      # assert start of the line
-    \#!                    # shebang token
-    .*                     # any characters
-    \b(bash|zsh|sh|tcsh)\b # "bash" or "zsh" or "sh" or "tcsh"
-    |                      # ... or ...
-    ^                      # assert start of the line
-    \#                     # literal "#" character
-    \s*                    # any whitespace
-    -\*-                   # literal "-*-" string
-    [^*]*                  # any characters except "*"
-    mode:                  # literal "mode:" string
-    \s*                    # any whitespace
-    shell-script           # literal "shell-script" string
-    [^*]*                  # any characters except "*"
-    -\*-                   # literal "-*-" string
+  (?x)
+    ^\#! .* \b(bash|zsh|sh|tcsh|ash)\b
+  | ^\# \s* -\*- [^*]* mode: \s* shell-script [^*]* -\*-
 
 #-------------------------------------------------------------------------------
 variables: