1 files changed, 2 insertions, 1 deletions

diff --git a/src/callproc.c b/src/callproc.c
index d9f9a342575..ba81f426dae 100644
--- a/src/callproc.c
+++ b/src/callproc.c
@@ -806,7 +806,8 @@ usage: (call-process PROGRAM &optional INFILE BUFFER DISPLAY &rest ARGS)  */)
                     carryover = nread;
                     /* This is to make the above condition always
                        fails in the future.  */
-                    saved_coding.type = coding_type_no_conversion;
+                    saved_coding.common_flags
+                      &= ~CODING_REQUIRE_DETECTION_MASK;
                     continue;
                   }