diff --git a/pkg/chrootarchive/diff_unix.go b/pkg/chrootarchive/diff_unix.go
index 3dff956258..511c617612 100644
--- a/pkg/chrootarchive/diff_unix.go
+++ b/pkg/chrootarchive/diff_unix.go
@@ -110,7 +110,7 @@ func applyLayerHandler(dest string, layer io.Reader, options *archive.TarOptions
 
 	cmd := reexec.Command("storage-applyLayer", dest)
 	cmd.Stdin = layer
-	cmd.Env = append(cmd.Env, fmt.Sprintf("OPT=%s", data))
+	cmd.Env = append(os.Environ(), fmt.Sprintf("OPT=%s", data))
 
 	outBuf, errBuf := new(bytes.Buffer), new(bytes.Buffer)
 	cmd.Stdout, cmd.Stderr = outBuf, errBuf