diff --git a/meta/classes/kernel-yocto.bbclass b/meta/classes/kernel-yocto.bbclass
index 79f82e3..f78caaf 100644
--- a/meta/classes/kernel-yocto.bbclass
+++ b/meta/classes/kernel-yocto.bbclass
@@ -124,8 +124,8 @@ python do_kernel_configcheck() {
 
     bb.plain("NOTE: validating kernel configuration")
 
-    pathprefix = "export PATH=%s; " % d.getVar('PATH', True)
-    cmd = bb.data.expand("cd ${B}/..; ${S}/scripts/util/kconf_check -config- ${B} ${S} ${B} ${KBRANCH}",d )
+    pathprefix = "export PATH=%s:%s; " % (d.getVar('PATH', True), "${S}/scripts/util/")
+    cmd = bb.data.expand("cd ${B}/..; kconf_check -config- ${B} ${S} ${B} ${KBRANCH}",d )
     ret, result = commands.getstatusoutput("%s%s" % (pathprefix, cmd))
 
     bb.plain( "%s" % result )