diff --git a/plugins/emc/emc_vnx_block_lun_perfdata b/plugins/emc/emc_vnx_block_lun_perfdata
index fb1b8484..00b1c6f0 100755
--- a/plugins/emc/emc_vnx_block_lun_perfdata
+++ b/plugins/emc/emc_vnx_block_lun_perfdata
@@ -108,6 +108,9 @@
 =cut
 
 export LANG=C
+
+. "$MUNIN_LIBDIR/plugins/plugin.sh"
+
 TARGET=$(echo "${0##*/}" | cut -d _ -f 6)
 # "All SP's we have"
 SPALL="SPA SPB"