diff --git a/configure.ac b/configure.ac
index 2906ccce1..423e33ef7 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2440,7 +2440,7 @@ jack_trans=no
 jack=no
 
 AC_ARG_ENABLE(jack-transport,
-[  --enable-jack-transport enable JACK transport (default is $build_default)]
+[  --enable-jack-transport enable JACK transport (default is $build_default; disabled in modular build)]
 [                          Requires: jack],
 	[jack_trans_req=$enableval],
         [jack_trans_req=$build_default])
diff --git a/src/audio/playback/jack.c b/src/audio/playback/jack.c
index 4d2d37345..f71a6b93b 100644
--- a/src/audio/playback/jack.c
+++ b/src/audio/playback/jack.c
@@ -178,6 +178,7 @@ static void * audio_play_jack_init(const char *cfg)
         while ((item = strtok_r(tmp, ":", &save_ptr)) != NULL) {
                 if (strcmp(item, "help") == 0) {
                         audio_play_jack_help(client_name);
+                        free(s);
                         free(dup);
                         return &audio_init_state_ok;
                 } else if (strstr(item, "first_channel=") == item) {