diff --git a/Source/cmStandardIncludes.h b/Source/cmStandardIncludes.h
index 0aed2a7ee..2d820b152 100644
--- a/Source/cmStandardIncludes.h
+++ b/Source/cmStandardIncludes.h
@@ -34,7 +34,7 @@
 #include <fstream>
 #include <iostream>
 #else
-#include <fsream.h>
+#include <fstream.h>
 #include <iostream.h>
 #endif