1 files changed, 1 insertions, 1 deletions
diff --git a/src/misc.c b/src/misc.c
index 75c61f48..7cb0b9ff 100644
--- a/src/misc.c
+++ b/src/misc.c
@@ -24,7 +24,7 @@
  * Escape characters as %XX sequences.
  * Return value: New string.
  */
-char *a_Misc_escape_chars(const char *str, char *esc_set)
+char *a_Misc_escape_chars(const char *str, const char *esc_set)
 {
    static const char *hex = "0123456789ABCDEF";
    char *p = NULL;