diff --git a/cypress/e2e/files.spec.js b/cypress/e2e/files.spec.js
index 78dc8a5b885..370c75c30a3 100644
--- a/cypress/e2e/files.spec.js
+++ b/cypress/e2e/files.spec.js
@@ -41,6 +41,14 @@ describe('Text and server mimetypes', () => {
 		cy.getContent().find('pre').should('exist')
 	})
 
+	it('handle asciidoc as plaintext for now', () => {
+		cy.uploadFile('test.adoc', 'text/asciidoc', 'hello.adoc')
+		cy.visit('/apps/files')
+		cy.get('#app-content-files table tr').should('contain', 'hello.adoc')
+		cy.openFile('hello.adoc')
+		cy.getContent().find('pre').should('contain', 'Hello world')
+	})
+
 	it('handle markdown with richtext editor', () => {
 		cy.uploadFile('test.md', 'text/markdown', 'markdown.md')
 		cy.visit('/apps/files')
diff --git a/cypress/fixtures/test.adoc b/cypress/fixtures/test.adoc
new file mode 100644
index 00000000000..0817494e30a
--- /dev/null
+++ b/cypress/fixtures/test.adoc
@@ -0,0 +1 @@
+= Hello world