diff --git a/hs20/server/ca/ocsp-responder.sh b/hs20/server/ca/ocsp-responder.sh
index 8cebd7453..620947d01 100755
--- a/hs20/server/ca/ocsp-responder.sh
+++ b/hs20/server/ca/ocsp-responder.sh
@@ -1,3 +1,3 @@
 #!/bin/sh
 
-openssl ocsp -index demoCA/index.txt -port 8888 -nmin 5 -rsigner ocsp.pem -rkey ocsp.key -CA demoCA/cacert.pem -text
+openssl ocsp -index demoCA/index.txt -port 8888 -nmin 5 -rsigner ocsp.pem -rkey ocsp.key -CA demoCA/cacert.pem -text -ignore_err