diff --git a/classes/lv2-postinst-helper.bbclass b/classes/lv2-postinst-helper.bbclass
index 88e4df6..a6198ae 100644
--- a/classes/lv2-postinst-helper.bbclass
+++ b/classes/lv2-postinst-helper.bbclass
@@ -14,6 +14,8 @@ LV2-DUMMY-TURTLE-STR = "lv2-dummy-turtle-string"
 # paths as installed on target a stored in a file called lv2-postinst-manifest
 LV2-POSTINST-MANIFEST = "${datadir}/${BPN}/lv2-postinst-manifest"
 
+inherit audio-plugin-common
+
 do_install_append() {
     # remove dummy lv2-turtles again
     cd ${D}/${libdir}/lv2
@@ -31,7 +33,7 @@ do_install_append() {
 }
 
 
-pkg_postinst_ontarget_${PN}-lv2() {
+pkg_postinst_ontarget_${PN_LV2}() {
     oldpath=`pwd`
     for sofile in `cat ${LV2-POSTINST-MANIFEST}`; do
         cd `dirname "$sofile"`
@@ -40,7 +42,7 @@ pkg_postinst_ontarget_${PN}-lv2() {
     cd $oldpath
 }
 
-pkg_prerm_${PN}-lv2() {
+pkg_prerm_${PN_LV2}() {
     for sofile in `cat ${LV2-POSTINST-MANIFEST}`; do
         path=`dirname "$sofile"`
         for turtle in `find $path -name '*.ttl'`; do
@@ -49,5 +51,5 @@ pkg_prerm_${PN}-lv2() {
     done
 }
 
-FILES_${PN}-lv2 += "${LV2-POSTINST-MANIFEST}"
-RDEPENDS_${PN}-lv2 += "lv2-ttl-generator"
+FILES_${PN_LV2} += "${LV2-POSTINST-MANIFEST}"
+RDEPENDS_${PN_LV2} += "lv2-ttl-generator"
diff --git a/recipes-musicians/distrho/distrho-ports-extra.bb b/recipes-musicians/distrho/distrho-ports-extra.bb
index 8ca9ba4..9664215 100644
--- a/recipes-musicians/distrho/distrho-ports-extra.bb
+++ b/recipes-musicians/distrho/distrho-ports-extra.bb
@@ -62,8 +62,8 @@ FILES_${PN} += " \
 "
 
 # for common (?) cabbage files
-RDEPENDS_${PN}-lv2 += "${PN}"
-RDEPENDS_${PN}-vst += "${PN}"
+RDEPENDS_${PN_LV2} += "${PN}"
+RDEPENDS_${PN_VST} += "${PN}"
 
 # Have not found what causes stripping - debugging of plugins is unlikely
 INSANE_SKIP_${PN} = "already-stripped"
diff --git a/recipes-musicians/distrho/distrho-ports.bb b/recipes-musicians/distrho/distrho-ports.bb
index 29177c9..d5c0ff5 100644
--- a/recipes-musicians/distrho/distrho-ports.bb
+++ b/recipes-musicians/distrho/distrho-ports.bb
@@ -85,7 +85,7 @@ do_install() {
 }
 
 PACKAGES =+ "${PN}-presets"
-RDEPENDS_${PN}-presets = "${PN}-lv2"
+RDEPENDS_${PN}-presets = "${PN_LV2}"
 
 FILES_${PN}-presets = "${libdir}/lv2/*.preset.lv2"
 
diff --git a/recipes-musicians/linuxsampler/linuxsampler_2.1.1.bb b/recipes-musicians/linuxsampler/linuxsampler_2.1.1.bb
index 9eec532..6135217 100644
--- a/recipes-musicians/linuxsampler/linuxsampler_2.1.1.bb
+++ b/recipes-musicians/linuxsampler/linuxsampler_2.1.1.bb
@@ -57,8 +57,8 @@ FILES_${PN}-tools = " \
     ${bindir}/ls_instr_script \
 "
 
-RDEPENDS_${PN}-dssi += "${PN}"
-RDEPENDS_${PN}-lv2 += "${PN}"
-RDEPENDS_${PN}-vst += "${PN}"
+RDEPENDS_${PN_DSSI} += "${PN}"
+RDEPENDS_${PN_LV2} += "${PN}"
+RDEPENDS_${PN_VST} += "${PN}"
 RDEPENDS_${PN}-standalone += "${PN}"
 
diff --git a/recipes-musicians/zyn/zyn.inc b/recipes-musicians/zyn/zyn.inc
index 0d02d0c..df46853 100644
--- a/recipes-musicians/zyn/zyn.inc
+++ b/recipes-musicians/zyn/zyn.inc
@@ -66,8 +66,8 @@ FILES_${PN}-standalone = " \
     ${bindir}/zynaddsubfx \
 "
 
-RDEPENDS_${PN}-dssi += "${PN}"
-RDEPENDS_${PN}-lv2 += "${PN}"
-RDEPENDS_${PN}-vst += "${PN}"
+RDEPENDS_${PN_DSSI} += "${PN}"
+RDEPENDS_${PN_LV2} += "${PN}"
+RDEPENDS_${PN_VST} += "${PN}"
 RDEPENDS_${PN}-standalone += "${PN}"