1 files changed, 1 insertions, 1 deletions
diff --git a/config.c b/config.c
index f561631374..7e5dbca4bd 100644
--- a/config.c
+++ b/config.c
@@ -1568,7 +1568,7 @@ static int git_default_core_config(const char *var, const char *value,
 		else if (value[0] && !value[1]) {
 			if (value[0] == '\n')
 				return error(_("core.commentChar cannot be newline"));
-			comment_line_char = value[0];
+			comment_line_str = xstrfmt("%c", value[0]);
 			auto_comment_line_char = 0;
 		} else
 			return error(_("core.commentChar should only be one ASCII character"));