--- a/CMakeLists.txt	2017-09-30 17:29:04.000000000 +0200
+++ b/CMakeLists.txt	2017-10-19 20:51:03.198871146 +0200
@@ -80,5 +80,6 @@
 find_package(KF5I18n CONFIG REQUIRED)
 ki18n_install(po)
 
-find_package(KF5DocTools CONFIG REQUIRED)
-kdoctools_install(po)
+if(KF5DocTools_FOUND)
+    kdoctools_install(po)
+endif()