diff --git a/mitkTestingConfig.h.in b/mitkTestingConfig.h.in
index cc93ab0c19..3a908f70f0 100644
--- a/mitkTestingConfig.h.in
+++ b/mitkTestingConfig.h.in
@@ -1,19 +1,18 @@
 /*
   mitkTestingConfig.h
   this file is generated. Do not change!
 */
 #ifndef MITKTESTINGCONFIG_H
 #define MITKTESTINGCONFIG_H
 
 #cmakedefine BUILD_TESTING
 #cmakedefine MITK_FAST_TESTING
 #define MITK_TEST_OUTPUT_DIR "@MITK_TEST_OUTPUT_DIR@"
 
 #ifdef CMAKE_INTDIR
-#include <mitkPPStringize.h>
-#define MITK_RUNTIME_OUTPUT_DIR "@CMAKE_RUNTIME_OUTPUT_DIRECTORY@/" MITK_PP_STRINGIZE(CMAKE_INTDIR)
+#define MITK_RUNTIME_OUTPUT_DIR "@CMAKE_RUNTIME_OUTPUT_DIRECTORY@/" CMAKE_INTDIR
 #else
 #define MITK_RUNTIME_OUTPUT_DIR "@CMAKE_RUNTIME_OUTPUT_DIRECTORY@"
 #endif
 
 #endif // MITKTESTINGCONFIG_H