diff --git a/fortran/src/H5config_f.inc.in b/fortran/src/H5config_f.inc.in
index 45573a6a471..991e4b0750b 100644
--- a/fortran/src/H5config_f.inc.in
+++ b/fortran/src/H5config_f.inc.in
@@ -21,7 +21,7 @@
 #undef HAVE_SUBFILING_VFD
 
 ! Define if on APPLE
-#undef H5_HAVE_DARWIN
+#undef HAVE_DARWIN
 
 ! Define if the intrinsic function STORAGE_SIZE exists
 #undef FORTRAN_HAVE_STORAGE_SIZE