X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/a19b9248eb5ec0414ccc4d214055e2c99debaba5..ecb371298ce4ab016d055de06cff252098e6e603:/src/src/globals.c

diff --git a/src/src/globals.c b/src/src/globals.c
index 7dfbc7608..19269138c 100644
--- a/src/src/globals.c
+++ b/src/src/globals.c
@@ -953,7 +953,7 @@ volatile sig_atomic_t had_command_timeout = 0;
 volatile sig_atomic_t had_command_sigterm = 0;
 volatile sig_atomic_t had_data_timeout    = 0;
 volatile sig_atomic_t had_data_sigint     = 0;
-uschar *headers_charset        = US HEADERS_CHARSET;
+const uschar *headers_charset  = US HEADERS_CHARSET;
 int     header_insert_maxlen   = 64 * 1024;
 header_line  *header_last      = NULL;
 header_line  *header_list      = NULL;