diff --git a/include/Makefile.am b/include/Makefile.am
index 43d5ba1679..87a44767cc 100644
--- a/include/Makefile.am
+++ b/include/Makefile.am
@@ -1,4 +1,3 @@
-# -*- makefile -*-
 #
 # $HEADER$
 #
@@ -22,5 +21,7 @@ install-data-hook:
 	sed -e 's/define PACKAGE/define OMPI_MPI_PACKAGE/' \
 		$(DESTDIR)$(includedir)/ompi_config.h \
 		> $(DESTDIR)$(includedir)/ompi_config.h.install
-	mv $(DESTDIR)$(includedir)/ompi_config.h.install \
+	$(CP) $(DESTDIR)$(includedir)/ompi_config.h.install \
 		$(DESTDIR)$(includedir)/ompi_config.h
+	$(RM) -f $(DESTDIR)$(includedir)/ompi_config.h.install
+	chmod 0644 $(DESTDIR)$(includedir)/ompi_config.h