diff --git a/CMakeLists.txt b/CMakeLists.txt
index be860c93d..384a90d75 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -163,6 +163,7 @@ endif()
 
 add_custom_target(travis_doc)
 add_custom_command(TARGET travis_doc
+    POST_BUILD
     COMMAND ${CMAKE_CURRENT_SOURCE_DIR}/travis-doxygen.sh)
 
 if(RAPIDJSON_BUILD_EXAMPLES)