diff --git a/srcpkgs/cfitsio/template b/srcpkgs/cfitsio/template
index 3545bb4299b..55ff7d14e61 100644
--- a/srcpkgs/cfitsio/template
+++ b/srcpkgs/cfitsio/template
@@ -1,8 +1,9 @@
 # Template file for 'cfitsio'
 pkgname=cfitsio
 version=4.0.0
-revision=1
+revision=2
 build_style=gnu-configure
+configure_args="--enable-reentrant"
 makedepends="libcurl-devel"
 short_desc="Library for reading and writing data files in FITS data format"
 maintainer="Helmut Pozimski <helmut@pozimski.eu>"