diff -u postfix-2.5.5/debian/postfix.postinst postfix-2.5.5/debian/postfix.postinst
--- postfix-2.5.5/debian/postfix.postinst
+++ postfix-2.5.5/debian/postfix.postinst
@@ -211,9 +211,8 @@
     fi
 fi
 
-for dir in pid public; do
-    makedir ${dir} postfix:root 755
-done
+makedir pid root:root 755
+makedir public postfix:root 755
 for dir in incoming active bounce defer deferred flush saved corrupt; do
     makedir ${dir} postfix:root 700
     if [ -n "$chat" ]; then