diff --git a/pkg.info b/pkg.info
index 3fe8c89..9294efd 100644
--- a/pkg.info
+++ b/pkg.info
@@ -14,6 +14,6 @@ make_depends:
   - cmake
 downloads:
   - url: https://heasarc.gsfc.nasa.gov/FTP/software/fitsio/c/cfitsio-${BPM_PKG_VERSION}.tar.gz
-    extract_to_bpm_source: true
+    extract_to: ${BPM_SOURCE}
     extract_strip_components: 1
     checksum: fad44fff274fdda5ffcc0c0fff3bc3c596362722b9292fc8944db91187813600