1 files changed, 3 insertions, 4 deletions

diff --git a/src/callproc.c b/src/callproc.c
index da3654a3411..8c6df89ea7e 100644
--- a/src/callproc.c
+++ b/src/callproc.c
@@ -797,13 +797,12 @@ usage: (call-process PROGRAM &optional INFILE BUFFER DISPLAY &rest ARGS)  */)
                 
                 TEMP_SET_PT_BOTH (PT + process_coding.produced_char,
                                   PT_BYTE + process_coding.produced);
-                nread -= process_coding.consumed;
-                carryover = nread;
+                carryover = process_coding.carryover_bytes;
                 if (carryover > 0)
                   /* As CARRYOVER should not be that large, we had
                      better avoid overhead of bcopy.  */
-                  BCOPY_SHORT (bufptr + process_coding.consumed, bufptr,
-                               carryover);
+                  BCOPY_SHORT (process_coding.carryover, bufptr,
+                               process_coding.carryover_bytes);
               }
           }