diff --git a/poky/meta/classes/multilib.bbclass b/poky/meta/classes/multilib.bbclass
index 3cbda5d..b210c49 100644
--- a/poky/meta/classes/multilib.bbclass
+++ b/poky/meta/classes/multilib.bbclass
@@ -196,7 +196,7 @@
 python do_package_qa_multilib() {
 
     def check_mlprefix(pkg, var, mlprefix):
-        values = bb.utils.explode_deps(d.getVar('%s_%s' % (var, pkg)) or d.getVar(var) or "")
+        values = bb.utils.explode_deps(d.getVar('%s:%s' % (var, pkg)) or d.getVar(var) or "")
         candidates = []
         for i in values:
             if i.startswith('virtual/'):