diff --git a/Tests/OutOfSource/SubDir/CMakeLists.txt b/Tests/OutOfSource/SubDir/CMakeLists.txt
index 02bb9b75c8..47fa54b6dc 100644
--- a/Tests/OutOfSource/SubDir/CMakeLists.txt
+++ b/Tests/OutOfSource/SubDir/CMakeLists.txt
@@ -1,4 +1,3 @@
 PROJECT(ANOTHER_PROJ)
 # subdir to a sibling dir
-ADD_SUBDIRECTORY(OutOfSourceSubdir 
-  ${OutOfSource_SOURCE_DIR}/${KEN}OutOfSourceSubdir)
+ADD_SUBDIRECTORY(${OutOfSource_SOURCE_DIR}/${KEN}OutOfSourceSubdir OutOfSourceSubdir )