diff --git a/fid_adlr/config/vufind/boss.ini b/fid_adlr/config/vufind/boss.ini
index e8a8f18f1503dc1e85e6337e46237c2f84700b2b..a9cb94f8b1074caf060593540de3dfaeda62734f 100644
--- a/fid_adlr/config/vufind/boss.ini
+++ b/fid_adlr/config/vufind/boss.ini
@@ -35,7 +35,7 @@ swb = "http://swb.bsz-bw.de/DB=2.1/SET=1/TTL=1/CMD?ACT=SRCHA&IKT=1007&TRM=%s"
 gbv = "https://gso.gbv.de/DB=2.1/SET=1/TTL=1/CMD?ACT=SRCHA&IKT=1007&TRM=%s"
 bvb = "https://opacplus.bib-bvb.de/TouchPoint_touchpoint/search.do?methodToCall=submitButtonCall&methodToCallParameter=submitSearch&refine=false&searchCategories[0]=-1&speedy=on&searchString[0]=%s"
 hebis = "http://cbsopac.rz.uni-frankfurt.de/DB=2.1/SET=9/TTL=1/CMD?COLMODE=1&ACT=SRCHA&IKT=8520&SRT=YOP&TRM=%s"
-hbz = "http://193.30.112.134/F/?func=find-c&ccl_term=IBN=%s"
+hbz = "https://nrw.digibib.net/search/hbzvk/list?defaults=on&q-ib=%s"
 kobv = "http://portal.kobv.de/simpleSearch.do?query=%s&plv=2"
 swissbib = "https://swisscovery.slsp.ch/discovery/search?query=isbn,contains,%s,AND&tab=41SLSP_NETWORK&search_scope=DN_and_CI&vid=41SLSP_NETWORK:VU1_UNION&mode=advanced&offset=0"
 öbv = "http://search.obvsg.at/primo_library/libweb/action/search.do?fn=search&ct=search&initialSearch=true&mode=Basic&tab=default_tab&indx=1&dum=true&srt=rank&vid=OBV&frbg=&tb=t&vl(freeText0)=%s&scp.scps=scope=(OBV_aleph)"