diff --git a/Tests/CustomCommand/CMakeLists.txt b/Tests/CustomCommand/CMakeLists.txt
index 2a83e72558..69b6d2fc5d 100644
--- a/Tests/CustomCommand/CMakeLists.txt
+++ b/Tests/CustomCommand/CMakeLists.txt
@@ -7,11 +7,11 @@ PROJECT (CustomCommand)
 # Lib and exe path
 #
 SET (LIBRARY_OUTPUT_PATH 
-  ${PROJECT_BINARY_DIR}/bin/ CACHE PATH 
+  ${PROJECT_BINARY_DIR}/bin/ CACHE INTERNAL 
   "Single output directory for building all libraries.")
 
 SET (EXECUTABLE_OUTPUT_PATH 
-  ${PROJECT_BINARY_DIR}/bin/ CACHE PATH 
+  ${PROJECT_BINARY_DIR}/bin/ CACHE INTERNAL 
   "Single output directory for building all executables.")
 
 ################################################################
diff --git a/Tests/Wrapping/CMakeLists.txt b/Tests/Wrapping/CMakeLists.txt
index 60a0c157bd..d8b332dbe4 100644
--- a/Tests/Wrapping/CMakeLists.txt
+++ b/Tests/Wrapping/CMakeLists.txt
@@ -11,11 +11,11 @@ SET_DIRECTORY_PROPERTIES(PROPERTIES CLEAN_NO_CUSTOM 1)
 # Lib and exe path
 #
 SET (LIBRARY_OUTPUT_PATH 
-  ${Wrapping_BINARY_DIR}/bin/ CACHE PATH 
+  ${Wrapping_BINARY_DIR}/bin/ CACHE INTERNAL 
   "Single output directory for building all libraries.")
 
 SET (EXECUTABLE_OUTPUT_PATH 
-  ${Wrapping_BINARY_DIR}/bin/ CACHE PATH 
+  ${Wrapping_BINARY_DIR}/bin/ CACHE INTERNAL 
   "Single output directory for building all executables.")
 
 #