diff --git a/acme.sh b/acme.sh
index 75030acd8c..aa5557e807 100755
--- a/acme.sh
+++ b/acme.sh
@@ -4690,7 +4690,7 @@ $_authorizations_map"
         _debug keyauthorization "$keyauthorization"
       fi
 
-      entry="$(echo "$response" | _egrep_o '[^\{]*"type":"'$vtype'"[^\}]*')"
+      entry="$(echo "$response" | sed -n 's#"challenges":\[\([^]]*\)\]#\1#p' | sed 's#\(\}\),\({\)#\1\n\2#' | grep '"type":"'$vtype'"')"
       _debug entry "$entry"
 
       if [ -z "$keyauthorization" -a -z "$entry" ]; then
@@ -6251,7 +6251,7 @@ _deactivate() {
     fi
     _debug "Trigger validation."
     vtype="$(_getIdType "$_d_domain")"
-    entry="$(echo "$response" | _egrep_o '[^\{]*"type":"'$vtype'"[^\}]*')"
+    entry="$(echo "$response" | sed -n 's#"challenges":\[\([^]]*\)\]#\1#p' | sed 's#\(\}\),\({\)#\1\n\2#' | grep '"type":"'$vtype'"')"
     _debug entry "$entry"
     if [ -z "$entry" ]; then
       _err "Error, can not get domain token $d"