diff --git a/Tests/OutOfSource/OutOfSourceSubdir/CMakeLists.txt b/Tests/OutOfSource/OutOfSourceSubdir/CMakeLists.txt
index 3180f28be..02ab4f6ea 100644
--- a/Tests/OutOfSource/OutOfSourceSubdir/CMakeLists.txt
+++ b/Tests/OutOfSource/OutOfSourceSubdir/CMakeLists.txt
@@ -3,7 +3,7 @@ INCLUDE_DIRECTORIES(${CMAKE_CURRENT_BINARY_DIR})
 IF ("${PROJECT_SOURCE_DIR}" STREQUAL "${ANOTHER_PROJ_SOURCE_DIR}")
   SET(BUILD_SHARED_LIBS 1)
   ADD_LIBRARY(testlib testlib.cxx)
-  ADD_EXECUTABLE (simple simple.cxx)
+  ADD_EXECUTABLE (simple simple.cxx ../simple.cxx)
   TARGET_LINK_LIBRARIES(simple testlib)
 ENDIF ("${PROJECT_SOURCE_DIR}" STREQUAL "${ANOTHER_PROJ_SOURCE_DIR}")
 
diff --git a/Tests/OutOfSource/OutOfSourceSubdir/simple.cxx b/Tests/OutOfSource/OutOfSourceSubdir/simple.cxx
index e06777deb..3c9be0957 100644
--- a/Tests/OutOfSource/OutOfSourceSubdir/simple.cxx
+++ b/Tests/OutOfSource/OutOfSourceSubdir/simple.cxx
@@ -4,8 +4,14 @@
 #include "testlib.h"
 #include "testdp.h"
 
+extern int simple();
+
 int main ()
-{  
+{
+  if(simple() != 123)
+    {
+    return -3;
+    }
   if (strcmp(animal,"SIZZLING"))
     {
     fprintf(stderr,"Get definitions from a subdir did not work\n");
diff --git a/Tests/OutOfSource/simple.cxx b/Tests/OutOfSource/simple.cxx
new file mode 100644
index 000000000..27e79f4ad
--- /dev/null
+++ b/Tests/OutOfSource/simple.cxx
@@ -0,0 +1 @@
+int simple() { return 123; }