diff --git a/src/tls.h b/src/tls.h
index a28a999..1814ee5 100644
--- a/src/tls.h
+++ b/src/tls.h
@@ -27,7 +27,7 @@ void tls_shutdown(void);
 tls_t *tls_new(xmpp_ctx_t *ctx, sock_t sock);
 void tls_free(tls_t *tls);
 
-int tls_setcredentials(tls_t *tls, const char *cafilename);
+int tls_set_credentials(tls_t *tls, const char *cafilename);
 
 int tls_start(tls_t *tls);
 int tls_stop(tls_t *tls);
diff --git a/src/tls.c b/src/tls_gnutls.c
similarity index 97%
rename from src/tls.c
rename to src/tls_gnutls.c
index a7433da..3e8ffd7 100644
--- a/src/tls.c
+++ b/src/tls_gnutls.c
@@ -72,7 +72,7 @@ void tls_free(tls_t *tls)
     xmpp_free(tls->ctx, tls);
 }
 
-int tls_setcredentials(tls_t *tls, const char *cafilename)
+int tls_set_credentials(tls_t *tls, const char *cafilename)
 {
     int err;