1 files changed, 1 insertions, 1 deletions

diff --git a/src/callproc.c b/src/callproc.c
index cbc58c01cfa..7035aed4f50 100644
--- a/src/callproc.c
+++ b/src/callproc.c
@@ -676,7 +676,7 @@ If you quit, the process is killed with SIGINT, or SIGKILL if you quit again.")
             else
               {                 /* We have to decode the input.  */
                 int size = decoding_buffer_size (&process_coding, nread);
-                char *decoding_buf = get_conversion_buffer (size);
+                char *decoding_buf = (char *) alloca (size);
 
                 decode_coding (&process_coding, bufptr, decoding_buf,
                                nread, size);