diff --git a/Source/cmTarget.h b/Source/cmTarget.h
index 8def2551b..a0faf6951 100644
--- a/Source/cmTarget.h
+++ b/Source/cmTarget.h
@@ -54,7 +54,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 class cmTarget
 {
 public:
-  enum TargetType { EXECUTABLE, LIBRARY, UTILITY };
+  enum TargetType { EXECUTABLE, WIN32_EXECUTABLE, LIBRARY, UTILITY };
   /**
    * Return the type of target.
    */