diff --git a/bootstrap-plugins.sh b/bootstrap-plugins.sh
index 1481c87..cc6af13 100755
--- a/bootstrap-plugins.sh
+++ b/bootstrap-plugins.sh
@@ -142,6 +142,12 @@ if [ "${LV2LINT_SUPPORTED}" -eq 1 ]; then
     # "-Donline-tests=true -Delf-tests=true"
 fi
 
+# ---------------------------------------------------------------------------------------------------------------------
+# kxstudio lv2 extensions
+
+download kxstudio-lv2-extensions "${KXSTUDIO_LV2_EXTENSIONS_VERSION}" "https://github.com/KXStudio/LV2-Extensions.git" "" "git"
+build_make kxstudio-lv2-extensions "${KXSTUDIO_LV2_EXTENSIONS_VERSION}"
+
 # ---------------------------------------------------------------------------------------------------------------------
 # fluidsynth
 
diff --git a/patches/lv2/01_plugin-is-project.patch b/patches/lv2/01_plugin-is-project.patch
new file mode 100644
index 0000000..ed8311d
--- /dev/null
+++ b/patches/lv2/01_plugin-is-project.patch
@@ -0,0 +1,11 @@
+--- lv2-1.12.1+git20151117.orig/lv2/core/lv2core.ttl
++++ lv2-1.12.1+git20151117/lv2/core/lv2core.ttl
+@@ -139,7 +139,7 @@ hosts and other tools already <q>underst
+ lv2:Plugin
+ 	a rdfs:Class ,
+ 		owl:Class ;
+-	rdfs:subClassOf lv2:PluginBase ;
++	rdfs:subClassOf lv2:PluginBase , doap:Project ;
+ 	rdfs:label "Plugin" ;
+ 	rdfs:subClassOf [
+ 		a owl:Restriction ;
diff --git a/setup/versions.sh b/setup/versions.sh
index 3b0dac2..ca288ee 100644
--- a/setup/versions.sh
+++ b/setup/versions.sh
@@ -22,6 +22,7 @@ LIBVORBIS_VERSION=1.3.7
 # ---------------------------------------------------------------------------------------------------------------------
 # plugins
 
+KXSTUDIO_LV2_EXTENSIONS_VERSION=fae65fbc173cd2c4367e85917a6ef97280532d88
 LILV_VERSION=0.24.10
 LV2_VERSION=1.18.0
 LV2LINT_VERSION=0.8.0