--- CMakeLists.txt.orig	2022-11-13 18:41:37 UTC
+++ CMakeLists.txt
@@ -285,7 +285,7 @@ if(CIFPP_DOWNLOAD_CCD)
 		find_program(GUNZIP gunzip)
 
 		if(GUNZIP)
-			file(DOWNLOAD ftp://ftp.wwpdb.org/pub/pdb/data/monomers/components.cif.gz ${COMPONENTS_CIF}.gz
+			file(DOWNLOAD file://${DISTDIR_FULL}/components.cif.gz ${COMPONENTS_CIF}.gz
 				SHOW_PROGRESS)
 			add_custom_command(OUTPUT ${COMPONENTS_CIF}
 				COMMAND ${GUNZIP} ${COMPONENTS_CIF}.gz
