1 files changed, 7 insertions, 1 deletions

diff --git a/src/process.c b/src/process.c
index 74922b0f57d..eae63553d38 100644
--- a/src/process.c
+++ b/src/process.c
@@ -1583,7 +1583,7 @@ usage: (start-process NAME BUFFER PROGRAM &rest PROGRAM-ARGS)  */)
 #endif
 
   /* Make the process marker point into the process buffer (if any).  */
-  if (!NILP (buffer))
+  if (BUFFERP (buffer))
     set_marker_both (XPROCESS (proc)->mark, buffer,
                      BUF_ZV (XBUFFER (buffer)),
                      BUF_ZV_BYTE (XBUFFER (buffer)));
@@ -3356,6 +3356,12 @@ usage: (make-network-process &rest ARGS)  */)
   if (is_server && socktype == SOCK_STREAM)
     p->status = Qlisten;
 
+  /* Make the process marker point into the process buffer (if any).  */
+  if (BUFFERP (buffer))
+    set_marker_both (p->mark, buffer,
+                     BUF_ZV (XBUFFER (buffer)),
+                     BUF_ZV_BYTE (XBUFFER (buffer)));
+
 #ifdef NON_BLOCKING_CONNECT
   if (is_non_blocking_client)
     {