diff --git a/kernel.go b/kernel.go
index 7a5d9cd..8dfa245 100644
--- a/kernel.go
+++ b/kernel.go
@@ -622,12 +622,12 @@ func genDockerKernels(dii dockerImageInfo, newkcfg *config.KernelConfig,
 		newkcfg.Kernels = append(newkcfg.Kernels, ki)
 
 		for _, cmd := range []string{
-			"find /boot -type f -exec chmod 0644 {} \\;",
-			"find /boot -type d -exec chmod 0755 {} \\;",
-			"find /usr/src -type f -exec chmod 0644 {} \\;",
-			"find /usr/src -type d -exec chmod 0755 {} \\;",
-			"find /lib/modules -type f -exec chmod 0644 {} \\;",
-			"find /lib/modules -type d -exec chmod 0755 {} \\;",
+			"find /boot -type f -exec chmod a+r {} \\;",
+			"find /boot -type d -exec chmod a+rx {} \\;",
+			"find /usr/src -type f -exec chmod a+r {} \\;",
+			"find /usr/src -type d -exec chmod a+rx {} \\;",
+			"find /lib/modules -type f -exec chmod a+r {} \\;",
+			"find /lib/modules -type d -exec chmod a+rx {} \\;",
 		} {
 			_, err = c.Run("/tmp", cmd)
 			if err != nil {