diff --git a/libs/ardour/lv2_plugin.cc b/libs/ardour/lv2_plugin.cc
index 24e9653a1d..c7d363e512 100644
--- a/libs/ardour/lv2_plugin.cc
+++ b/libs/ardour/lv2_plugin.cc
@@ -298,13 +298,13 @@ LV2Plugin::init(const void* c_plugin, framecnt_t rate)
 #ifdef HAVE_NEW_LV2
 	LV2_URID atom_Int = _uri_map.uri_to_id(LV2_ATOM__Int);
 	LV2_Options_Option options[] = {
-		{ _uri_map.uri_to_id(LV2_BUF_SIZE__minBlockLength),
+		{ LV2_OPTIONS_INSTANCE, 0, _uri_map.uri_to_id(LV2_BUF_SIZE__minBlockLength),
 		  sizeof(int32_t), atom_Int, &_block_length },
-		{ _uri_map.uri_to_id(LV2_BUF_SIZE__maxBlockLength),
+		{ LV2_OPTIONS_INSTANCE, 0, _uri_map.uri_to_id(LV2_BUF_SIZE__maxBlockLength),
 		  sizeof(int32_t), atom_Int, &_block_length },
-		{ _uri_map.uri_to_id(LV2_BUF_SIZE__sequenceSize),
+		{ LV2_OPTIONS_INSTANCE, 0, _uri_map.uri_to_id(LV2_BUF_SIZE__sequenceSize),
 		  sizeof(int32_t), atom_Int, &_seq_size },
-		{ 0, 0, 0, NULL }
+		{ LV2_OPTIONS_INSTANCE, 0, 0, 0, 0, NULL }
 	};
 
 	_options_feature.URI    = LV2_OPTIONS__options;
diff --git a/libs/ardour/wscript b/libs/ardour/wscript
index e01de3e764..fd572c6a2e 100644
--- a/libs/ardour/wscript
+++ b/libs/ardour/wscript
@@ -259,7 +259,7 @@ def configure(conf):
         autowaf.check_pkg(conf, 'lv2', uselib_store='LV2',
                           atleast_version='1.0.0', mandatory=True)
         autowaf.check_pkg(conf, 'lv2', uselib_store='NEW_LV2',
-                          atleast_version='1.0.13', mandatory=False)
+                          atleast_version='1.0.15', mandatory=False)
         autowaf.check_pkg(conf, 'serd-0', uselib_store='SERD',
                           atleast_version='0.14.0', mandatory=True)
         autowaf.check_pkg(conf, 'sord-0', uselib_store='SORD',