diff --git a/obexd/src/genbuiltin b/obexd/src/genbuiltin
index 39f7735..e60b518 100755
--- a/obexd/src/genbuiltin
+++ b/obexd/src/genbuiltin
@@ -2,11 +2,11 @@
 
 for i in $*
 do
-	echo "extern struct obex_plugin_desc __obex_builtin_$i;"
+	echo "extern const struct obex_plugin_desc __obex_builtin_$i;"
 done
 
 echo
-echo "static struct obex_plugin_desc *__obex_builtin[] = {"
+echo "static const struct obex_plugin_desc *__obex_builtin[] = {"
 
 for i in $*
 do
diff --git a/obexd/src/plugin.c b/obexd/src/plugin.c
index 0df9d52..a3eb247 100644
--- a/obexd/src/plugin.c
+++ b/obexd/src/plugin.c
@@ -38,10 +38,10 @@ static GSList *plugins = NULL;
 
 struct obex_plugin {
 	void *handle;
-	struct obex_plugin_desc *desc;
+	const struct obex_plugin_desc *desc;
 };
 
-static gboolean add_plugin(void *handle, struct obex_plugin_desc *desc)
+static gboolean add_plugin(void *handle, const struct obex_plugin_desc *desc)
 {
 	struct obex_plugin *plugin;
 
@@ -66,7 +66,7 @@ static gboolean add_plugin(void *handle, struct obex_plugin_desc *desc)
 	return TRUE;
 }
 
-static gboolean check_plugin(struct obex_plugin_desc *desc,
+static gboolean check_plugin(const struct obex_plugin_desc *desc,
 				char **patterns, char **excludes)
 {
 	if (excludes) {
@@ -132,7 +132,7 @@ gboolean plugin_init(const char *pattern, const char *exclude)
 	}
 
 	while ((file = g_dir_read_name(dir)) != NULL) {
-		struct obex_plugin_desc *desc;
+		const struct obex_plugin_desc *desc;
 		void *handle;
 		char *filename;
 
diff --git a/obexd/src/plugin.h b/obexd/src/plugin.h
index 7038784..a91746c 100644
--- a/obexd/src/plugin.h
+++ b/obexd/src/plugin.h
@@ -16,14 +16,14 @@ struct obex_plugin_desc {
 
 #ifdef OBEX_PLUGIN_BUILTIN
 #define OBEX_PLUGIN_DEFINE(name, init, exit) \
-		struct obex_plugin_desc __obex_builtin_ ## name = { \
+		const struct obex_plugin_desc __obex_builtin_ ## name = { \
 			#name, init, exit \
 		};
 #else
 #define OBEX_PLUGIN_DEFINE(name,init,exit) \
 		extern struct obex_plugin_desc obex_plugin_desc \
 				__attribute__ ((visibility("default"))); \
-		struct obex_plugin_desc obex_plugin_desc = { \
+		const struct obex_plugin_desc obex_plugin_desc = { \
 			#name, init, exit \
 		};
 #endif