diff --git a/Tests/Simple/CMakeLists.txt b/Tests/Simple/CMakeLists.txt
index d42728d93..4b6485b8e 100644
--- a/Tests/Simple/CMakeLists.txt
+++ b/Tests/Simple/CMakeLists.txt
@@ -1,5 +1,5 @@
 # a simple test case
 PROJECT (simple)
-ADD_EXECUTABLE (simple simple.cxx)
+ADD_EXECUTABLE (simple simple)
 ADD_LIBRARY(simpleLib STATIC simpleLib.cxx)
 TARGET_LINK_LIBRARIES(simple simpleLib)