diff --git a/include/extra/string.h b/include/extra/string.h
index d654984..af9f662 100644
--- a/include/extra/string.h
+++ b/include/extra/string.h
@@ -34,7 +34,7 @@ extern size_t libcdsb_string_replace_r_cstring_cstring(vtype_string*restrict x,
 extern size_t libcdsb_string_replace_r_cstring_char   (vtype_string*restrict x, const         char*restrict src,                         int dest, size_t maxn) LIBCDSB_nt__ LIBCDSB_nn1__;
 inline size_t libcdsb_string_replace_r_char_string    (vtype_string*restrict x,                         int src, const vtype_string*restrict dest, size_t maxn) __attribute__((always_inline));
 extern size_t libcdsb_string_replace_r_char_cstring   (vtype_string*restrict x,                         int src, const         char*restrict dest, size_t maxn) LIBCDSB_nt__ LIBCDSB_nn1__;
-extern size_t libcdsb_string_replace_r_char_char      (vtype_string*restrict x,                         int src,                         int dest, size_t maxn) LIBCDSB_nt__ LIBCDSB_nn1__;
+#define libcdsb_string_replace_r_char_char libcdsb_string_replace_char_char
 
 /*#####################################################################################################################*/