diff --git a/config.c b/config.c
index 3b8aef9..5f5edaf 100644
--- a/config.c
+++ b/config.c
@@ -276,7 +276,7 @@
 	return 0;
 }
 
-int config_parse_logsize(const char *size_str, size_t *size)
+int config_parse_bytesize(const char *size_str, size_t *size)
 {
 	struct size_suffix_shift {
 		/* Left shiftwidth corresponding to the suffix. */