diff --git a/Modules/IGTUI/CMakeLists.txt b/Modules/IGTUI/CMakeLists.txt
index d37c9b60a3..e2ab20195a 100644
--- a/Modules/IGTUI/CMakeLists.txt
+++ b/Modules/IGTUI/CMakeLists.txt
@@ -1,12 +1,12 @@
 MITK_CREATE_MODULE(
   SUBPROJECTS MITK-IGT
   INCLUDE_DIRS Qmitk
   DEPENDS MitkIGT MitkQtWidgetsExt MitkPersistence
+  WARNINGS_AS_ERRORS
 )
 
 add_subdirectory(autoload/ConfigurationWidgetRegistry)
 
 ## create IGTUI config
 configure_file(mitkIGTUIConfig.h.in ${PROJECT_BINARY_DIR}/mitkIGTUIConfig.h @ONLY)
 
-