diff --git a/lib/Makefile.am b/lib/Makefile.am
index d49b55cfb606d404a4742af3d0db19dc21641095..c283769ec6d360c4c649775cb1e0a7d501c98546 100644
--- a/lib/Makefile.am
+++ b/lib/Makefile.am
@@ -91,6 +91,7 @@ $(srcdir)/getdate.c: getdate.y
 	  mv -f y.tab.c getdate.c
 
 $(srcdir)/ca-bundle.h: Makefile.in Makefile
+	chmod 0644 $@
 	echo "/* The file is generated automaticly */" > $@
 if CABUNDLE
 	echo '#define CURL_CA_BUNDLE @CURL_CA_BUNDLE@' >> $@