diff --git a/packages/OS400/README.OS400 b/packages/OS400/README.OS400
index 5efad0f6b..92eff4e53 100644
--- a/packages/OS400/README.OS400
+++ b/packages/OS400/README.OS400
@@ -63,6 +63,7 @@ designer. CCSID 0 can be used to select the current job's CCSID.
 _ curl_easy_setopt_ccsid()
   Variable arguments are a string pointer and a CCSID (unsigned int) for
 options:
+        CURLOPT_ABSTRACT_UNIX_SOCKET
         CURLOPT_CAINFO
         CURLOPT_CAPATH
         CURLOPT_COOKIE
@@ -90,6 +91,7 @@ options:
         CURLOPT_NOPROXY
         CURLOPT_PASSWORD
         CURLOPT_PINNEDPUBLICKEY
+        CURLOPT_PRE_PROXY
         CURLOPT_PROXY
         CURLOPT_PROXYPASSWORD
         CURLOPT_PROXYUSERNAME
@@ -116,7 +118,6 @@ options:
         CURLOPT_RTSP_TRANSPORT
         CURLOPT_SERVICE_NAME
         CURLOPT_SOCKS5_GSSAPI_SERVICE
-        CURLOPT_SOCKS_PROXY
         CURLOPT_SSH_HOST_PUBLIC_KEY_MD5
         CURLOPT_SSH_KNOWNHOSTS
         CURLOPT_SSH_PRIVATE_KEYFILE
diff --git a/packages/OS400/ccsidcurl.c b/packages/OS400/ccsidcurl.c
index b1c124434..c5ac3d35a 100644
--- a/packages/OS400/ccsidcurl.c
+++ b/packages/OS400/ccsidcurl.c
@@ -1135,6 +1135,7 @@ curl_easy_setopt_ccsid(CURL * curl, CURLoption tag, ...)
 
   switch (tag) {
 
+  case CURLOPT_ABSTRACT_UNIX_SOCKET:
   case CURLOPT_CAINFO:
   case CURLOPT_CAPATH:
   case CURLOPT_COOKIE:
@@ -1161,6 +1162,7 @@ curl_easy_setopt_ccsid(CURL * curl, CURLoption tag, ...)
   case CURLOPT_NOPROXY:
   case CURLOPT_PASSWORD:
   case CURLOPT_PINNEDPUBLICKEY:
+  case CURLOPT_PRE_PROXY:
   case CURLOPT_PROXY:
   case CURLOPT_PROXYPASSWORD:
   case CURLOPT_PROXYUSERNAME:
@@ -1187,7 +1189,6 @@ curl_easy_setopt_ccsid(CURL * curl, CURLoption tag, ...)
   case CURLOPT_RTSP_TRANSPORT:
   case CURLOPT_SERVICE_NAME:
   case CURLOPT_SOCKS5_GSSAPI_SERVICE:
-  case CURLOPT_SOCKS_PROXY:
   case CURLOPT_SSH_HOST_PUBLIC_KEY_MD5:
   case CURLOPT_SSH_KNOWNHOSTS:
   case CURLOPT_SSH_PRIVATE_KEYFILE:
diff --git a/packages/OS400/curl.inc.in b/packages/OS400/curl.inc.in
index a3ed83781..c6224a781 100644
--- a/packages/OS400/curl.inc.in
+++ b/packages/OS400/curl.inc.in
@@ -1294,11 +1294,11 @@
      d                 c                   10260
      d  CURLOPT_PROXY_SSL_OPTIONS...
      d                 c                   00261
-     d  CURLOPT_SOCKS_PROXY...
+     d  CURLOPT_PRE_PROXY...
      d                 c                   10262
-     d  CURLOPT_SOCKS_PROXYTYPE...
-     d                 c                   00263
      d  CURLOPT_PROXY_PINNEDPUBLICKEY...
+     d                 c                   10263
+     d  CURLOPT_ABSTRACT_UNIX_SOCKET...
      d                 c                   10264
       *
       /if not defined(CURL_NO_OLDIES)
diff --git a/src/tool_setopt.h b/src/tool_setopt.h
index fecf24fa3..c27541b8b 100644
--- a/src/tool_setopt.h
+++ b/src/tool_setopt.h
@@ -71,7 +71,6 @@ extern const NameValueUnsigned setopt_nv_CURLAUTH[];
 #define setopt_nv_CURLOPT_PROTOCOLS setopt_nv_CURLPROTO
 #define setopt_nv_CURLOPT_REDIR_PROTOCOLS setopt_nv_CURLPROTO
 #define setopt_nv_CURLOPT_PROXYTYPE setopt_nv_CURLPROXY
-#define setopt_nv_CURLOPT_SOCKS_PROXYTYPE setopt_nv_CURL_SOCKS_PROXY
 #define setopt_nv_CURLOPT_PROXYAUTH setopt_nv_CURLAUTH
 
 /* Intercept setopt calls for --libcurl */