diff --git a/README.md b/README.md
index 1c6cfd1a4ff..33a4ffbdfe1 100644
--- a/README.md
+++ b/README.md
@@ -127,6 +127,7 @@ Support this project with a :star:
 | token         |  `string`   |    `false`    | `${{ github.token }}`         | [GITHUB\_TOKEN](https://docs.github.com/en/free-pro-team@latest/actions/reference/authentication-in-a-workflow#using-the-github_token-in-a-workflow) <br /> or a repo scoped <br /> [Personal Access Token](https://docs.github.com/en/free-pro-team@latest/github/authenticating-to-github/creating-a-personal-access-token)              |
 | separator     |  `string`   |    `true`     | `' '`                         |  Output string separator   |
 | files         |  `string` OR `string[]` |   `false`  |                      | Check for changes  <br> using only these <br> list of file(s) <br> (Defaults to the <br> entire repo) |
+| files-separator                  | string | false    | `"\n"`                  | Separator used to split the<br>files input                 |
 | base\_sha           |  `string`      |    `false`     |                     | Specify a different <br> base commit SHA <br> used for <br> comparing changes  |
 | sha           |  `string`      |    `true`     | `${{ github.sha }}`           | Specify a different <br> commit SHA <br> used for <br> comparing changes  |
 | files\_from\_source\_file |  `string`      |    `false`     |                    | Source file <br> used to populate <br> the files input |
diff --git a/action.yml b/action.yml
index 3da4d3e2642..893af5881fc 100644
--- a/action.yml
+++ b/action.yml
@@ -19,6 +19,10 @@ inputs:
     description: 'Check for changes using only this list of files (Defaults to the entire repo)'
     required: false
     default: ""
+  files-separator:
+    description: 'Separator used to split the files input'
+    default: "\n"
+    required: false
   sha:
     description: 'Specify a current commit SHA used for comparing changes'
     required: true
@@ -117,7 +121,7 @@ runs:
       id: glob
       with:
         files: ${{ inputs.files }}
-        files-separator: " "
+        files-separator: ${{ inputs.files-separator }}
         files-from-source-file: ${{ inputs.files_from_source_file }}
         separator: "|"
     - run: |