1 files changed, 1 insertions, 1 deletions

diff --git a/utility/logparse.h b/utility/logparse.h
index 53b376b..816624a 100644
--- a/utility/logparse.h
+++ b/utility/logparse.h
@@ -4,7 +4,7 @@
 #include "config.h"
 
 typedef apr_status_t (*parser_func_t)(apr_pool_t *p, config_t *cfg,
-        config_output_field_t *field, const char *value, char **ret);
+        config_output_field_t *field, const char *value, const char **ret);
 
 parser_func_t parser_get_func(const char *name);