diff --git a/.travis.yml b/.travis.yml
index 591cc57b80..c26f3bf789 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -69,7 +69,7 @@ matrix:
           - asciidoc
           - xmlto
       before_install:
-      before_script:
+      before_script: gem install asciidoctor
       script: ci/test-documentation.sh
       after_failure:
 
diff --git a/ci/test-documentation.sh b/ci/test-documentation.sh
index 579d540d32..bf23b2caea 100755
--- a/ci/test-documentation.sh
+++ b/ci/test-documentation.sh
@@ -7,8 +7,16 @@ set -e
 
 make check-builtins
 make check-docs
-make doc
 
+# Build docs with AsciiDoc
+make doc
 test -s Documentation/git.html
 test -s Documentation/git.xml
 test -s Documentation/git.1
+grep '<meta name="generator" content="AsciiDoc ' Documentation/git.html
+
+# Build docs with AsciiDoctor
+make clean
+make USE_ASCIIDOCTOR=1 doc
+test -s Documentation/git.html
+grep '<meta name="generator" content="Asciidoctor ' Documentation/git.html