diff --git a/pym/cl_kernel_cmd.py b/pym/cl_kernel_cmd.py
index 1bbf99e..c703820 100644
--- a/pym/cl_kernel_cmd.py
+++ b/pym/cl_kernel_cmd.py
@@ -126,7 +126,8 @@ class kernel_cmd(share_cmd):
                 if not self.logicObj._testKernelDirectory(values.k):
                     self.optobj.error("%s:'%s'"%
                         (_("wrong kernel source directory"),values.k))
-                elif not self.logicObj._testFullKernelDirectory(values.k):
+                elif not self.logicObj._testFullKernelDirectory(values.k) \
+                        and self.checkNotEbuildParam(values,"postinst"):
                     self.optobj.error(("%s:'%s'"%
                         (_("in directory of kernel source not "
                            "enough needed files"),
@@ -135,7 +136,7 @@ class kernel_cmd(share_cmd):
                               "compiled with USE 'minimal'"))
                 else:
                     self.logicObj.clVars.Set('cl_kernel_src_path',values.k,True)
-            else:
+            elif self.checkNotEbuildParam(values,"postinst"):
                 if not self.logicObj._testFullKernelDirectory(
                         self.logicObj.clVars.Get('cl_kernel_src_path')):
                     self.optobj.error((_("in default directory of kernel "
@@ -176,6 +177,9 @@ class kernel_cmd(share_cmd):
     def checkEbuildParam(self,options,phase):
         return not options.ebuild or os.environ["EBUILD_PHASE"] == phase
 
+    def checkNotEbuildParam(self,options,phase):
+        return not options.ebuild or os.environ["EBUILD_PHASE"] != phase
+
     def makeKernel(self,options):
         """Run kernel compilation, installation, optimization"""
         # if set ebuild param check cur EBUILD_PHASE, run kernel compilation