1 files changed, 1 insertions, 1 deletions
diff --git a/config.h b/config.h
index 54b47dec9e..4801391c32 100644
--- a/config.h
+++ b/config.h
@@ -701,7 +701,7 @@ int git_config_get_split_index(void);
 int git_config_get_max_percent_split_change(void);
 
 /* This dies if the configured or default date is in the future */
-int git_config_get_expiry(const char *key, const char **output);
+int git_config_get_expiry(const char *key, char **output);
 
 /* parse either "this many days" integer, or "5.days.ago" approxidate */
 int git_config_get_expiry_in_days(const char *key, timestamp_t *, timestamp_t now);