diff --git a/.drone.yml b/.drone.yml
index 256600e5c..aca31bc44 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -93,6 +93,9 @@ pipeline:
         commands:
             - cd doc
             - make html
+        when:
+            matrix:
+                TESTS: documentation
 
 matrix:
     include:
@@ -100,5 +103,6 @@ matrix:
         - TESTS: qt-5.8
         - TESTS: qt-5.9
         - BUILD: AppImage
+        - TESTS: documentation
 
 branches: [ master, 2.* ]