diff --git a/Modules/DiffusionImaging/Testing/CMakeLists.txt b/Modules/DiffusionImaging/Testing/CMakeLists.txt
index 27763457ee..7880dc4d2c 100644
--- a/Modules/DiffusionImaging/Testing/CMakeLists.txt
+++ b/Modules/DiffusionImaging/Testing/CMakeLists.txt
@@ -1,4 +1,5 @@
 MITK_CREATE_MODULE_TESTS()
 
 mitkAddCustomModuleTest(mitkFiberBundleXReaderWriterTest mitkFiberBundleXReaderWriterTest ${MITK_DATA_DIR}/DiffusionImaging/fiberBundleX.fib)
-mitkAddCustomModuleTest(mitkFiberBundleXTest mitkFiberBundleXTest ${MITK_DATA_DIR}/DiffusionImaging/fiberBundleX.fib)
+## deactivated, see bug 12017
+# mitkAddCustomModuleTest(mitkFiberBundleXTest mitkFiberBundleXTest ${MITK_DATA_DIR}/DiffusionImaging/fiberBundleX.fib)