diff --git a/pipewire-jack/src/export.c b/pipewire-jack/src/export.c
new file mode 100644
index 000000000..10c971bca
--- /dev/null
+++ b/pipewire-jack/src/export.c
@@ -0,0 +1,36 @@
+/* PipeWire
+ *
+ * Copyright © 2020 Wim Taymans
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ */
+
+#include <spa/utils/defs.h>
+
+#define JACK_METADATA_PREFIX "http://jackaudio.org/metadata/"
+SPA_EXPORT const char JACK_METADATA_CONNECTED[]   = JACK_METADATA_PREFIX "connected";
+SPA_EXPORT const char JACK_METADATA_EVENT_TYPES[] = JACK_METADATA_PREFIX "event-types";
+SPA_EXPORT const char JACK_METADATA_HARDWARE[]    = JACK_METADATA_PREFIX "hardware";
+SPA_EXPORT const char JACK_METADATA_ICON_LARGE[]  = JACK_METADATA_PREFIX "icon-large";
+SPA_EXPORT const char JACK_METADATA_ICON_NAME[]   = JACK_METADATA_PREFIX "icon-name";
+SPA_EXPORT const char JACK_METADATA_ICON_SMALL[]  = JACK_METADATA_PREFIX "icon-small";
+SPA_EXPORT const char JACK_METADATA_ORDER[]       = JACK_METADATA_PREFIX "order";
+SPA_EXPORT const char JACK_METADATA_PORT_GROUP[]  = JACK_METADATA_PREFIX "port-group";
+SPA_EXPORT const char JACK_METADATA_PRETTY_NAME[] = JACK_METADATA_PREFIX "pretty-name";
+SPA_EXPORT const char JACK_METADATA_SIGNAL_TYPE[] = JACK_METADATA_PREFIX "signal-type";
+#undef JACK_METADATA_PREFIX
diff --git a/pipewire-jack/src/meson.build b/pipewire-jack/src/meson.build
index 0795795e5..fb68a57f2 100644
--- a/pipewire-jack/src/meson.build
+++ b/pipewire-jack/src/meson.build
@@ -1,4 +1,5 @@
 pipewire_jack_sources = [
+  'export.c',
   'pipewire-jack.c',
   'ringbuffer.c',
   'uuid.c',
diff --git a/pipewire-jack/src/metadata.c b/pipewire-jack/src/metadata.c
index 561b70fd9..8d1084c6d 100644
--- a/pipewire-jack/src/metadata.c
+++ b/pipewire-jack/src/metadata.c
@@ -408,16 +408,3 @@ int jack_set_property_change_callback (jack_client_t*             client,
 	c->property_arg = arg;
 	return 0;
 }
-
-#define JACK_METADATA_PREFIX "http://jackaudio.org/metadata/"
-SPA_EXPORT const char* JACK_METADATA_CONNECTED   = JACK_METADATA_PREFIX "connected";
-SPA_EXPORT const char* JACK_METADATA_EVENT_TYPES = JACK_METADATA_PREFIX "event-types";
-SPA_EXPORT const char* JACK_METADATA_HARDWARE    = JACK_METADATA_PREFIX "hardware";
-SPA_EXPORT const char* JACK_METADATA_ICON_LARGE  = JACK_METADATA_PREFIX "icon-large";
-SPA_EXPORT const char* JACK_METADATA_ICON_NAME   = JACK_METADATA_PREFIX "icon-name";
-SPA_EXPORT const char* JACK_METADATA_ICON_SMALL  = JACK_METADATA_PREFIX "icon-small";
-SPA_EXPORT const char* JACK_METADATA_ORDER       = JACK_METADATA_PREFIX "order";
-SPA_EXPORT const char* JACK_METADATA_PORT_GROUP  = JACK_METADATA_PREFIX "port-group";
-SPA_EXPORT const char* JACK_METADATA_PRETTY_NAME = JACK_METADATA_PREFIX "pretty-name";
-SPA_EXPORT const char* JACK_METADATA_SIGNAL_TYPE = JACK_METADATA_PREFIX "signal-type";
-#undef JACK_METADATA_PREFIX