--- /tmp/dpkg.postinst.old	2014-10-02 09:20:33.499600550 +0200
+++ /tmp/dpkg.postinst.new	2014-10-02 09:20:22.290132722 +0200
@@ -104,10 +104,10 @@
 
 	if dpkg --compare-versions "$2" lt 1.16.0.3ubuntu4; then
 	    new_installs_multiarch
-        fi
-
-	if dpkg --compare-versions "$2" lt 1.16.3; then
-	    migrate_multiarch_conffile
+        else
+	    if dpkg --compare-versions "$2" lt 1.16.3; then
+		migrate_multiarch_conffile
+	    fi
 	fi
 	;;