diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5a6c2343..8b75c334 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -69,7 +69,7 @@ Developers may need to change their code
       * `clicon_suberrno` -> `clixon_err_subnr()`
       * `clicon_err_reason`   -> `clixon_err_reason()`
   * Changed process API:
-      * `clixon_proc_socket(...)` --> `clixon_proc_socket(h, ...)`
+      * `clixon_proc_socket(...)` --> `clixon_proc_socket(h, ..., sockerr)`
 
 ### Corrected Bugs
 
diff --git a/lib/clixon/clixon_proc.h b/lib/clixon/clixon_proc.h
index 3387545b..bf25e884 100644
--- a/lib/clixon/clixon_proc.h
+++ b/lib/clixon/clixon_proc.h
@@ -65,7 +65,7 @@ typedef int (proc_cb_t)(clixon_handle    h,
 /*
  * Prototypes
  */
-int clixon_proc_socket(clixon_handle h, char **argv, int sock_flags, pid_t *pid, int *sock);
+int clixon_proc_socket(clixon_handle h, char **argv, int sock_flags, pid_t *pid, int *sock, int *sockerr);
 int clixon_proc_socket_close(pid_t pid, int sock);
 int clixon_process_pid(clixon_handle h, const char *name, pid_t *pid);
 proc_operation clixon_process_op_str2int(char *opstr);
diff --git a/lib/src/clixon_proc.c b/lib/src/clixon_proc.c
index 95f56023..65362a0f 100644
--- a/lib/src/clixon_proc.c
+++ b/lib/src/clixon_proc.c
@@ -187,7 +187,8 @@ clixon_proc_sigint(int sig)
  * @param[in]  argv       NULL-terminated Argument vector
  * @param[in]  sock_flags Socket type/flags, typically SOCK_DGRAM or SOCK_STREAM, see
  * @param[out] pid        Process-id of child
- * @param[out] sock       Socket
+ * @param[out] sock       Socket for stdin+stdout
+ * @param[out] sockerr    Optional socket for stderr
  * @retval     O          OK
  * @retval    -1          Error.
  * @see clixon_proc_socket_close  close sockets, kill child and wait for child termination
@@ -198,10 +199,12 @@ clixon_proc_socket(clixon_handle h,
                    char        **argv,
                    int           sock_flags,
                    pid_t        *pid,
-                   int          *sock)
+                   int          *sock,
+                   int          *sockerr)
 {
     int      retval = -1;
     int      sp[2] = {-1, -1};
+    int      sperr[2] = {-1, -1};
     pid_t    child;
     sigfn_t  oldhandler = NULL;
     sigset_t oset;
@@ -233,7 +236,11 @@ clixon_proc_socket(clixon_handle h,
         clixon_err(OE_UNIX, errno, "socketpair");
         goto done;
     }
-
+    if (sockerr &&
+        socketpair(AF_UNIX, sock_flags, 0, sperr) < 0){
+        clixon_err(OE_UNIX, errno, "socketpair");
+        goto done;
+    }
     sigprocmask(0, NULL, &oset);
     set_signal(SIGINT, clixon_proc_sigint, &oldhandler);
     sig++;
@@ -258,18 +265,27 @@ clixon_proc_socket(clixon_handle h,
             return -1;
         }
         close(sp[1]);
+        if (sockerr){
+            close(2);
+            if (dup2(sperr[1], STDERR_FILENO) < 0){
+                clixon_err(OE_UNIX, errno, "dup2(STDERR)");
+                return -1;
+            }
+            close(sperr[1]);
+        }
         if (execvp(argv[0], argv) < 0){
             clixon_err(OE_UNIX, errno, "execvp(%s)", argv[0]);
             return -1;
         }
         exit(-1);        /* Shouldnt reach here */
     }
-
     clixon_debug(CLIXON_DBG_PROC | CLIXON_DBG_DETAIL, "child %u sock %d", child, sp[0]);
     /* Parent */
     close(sp[1]);
     *pid = child;
     *sock = sp[0];
+    if (sockerr)
+        *sockerr = sperr[0];
     retval = 0;
  done:
     if (sig){   /* Restore sigmask and fn */