diff --git a/core/etc/grs/world.conf b/core/etc/grs/world.conf
index c7407b6..abfc8b8 100644
--- a/core/etc/grs/world.conf
+++ b/core/etc/grs/world.conf
@@ -6458,7 +6458,7 @@ package.use : net-irc/shadowircd:0 -debug -largenet ipv6 ssl zlib
 package.use : net-irc/weechat:0 -doc -nls -test alias charset exec fifo guile irc logger lua perl python relay ruby scripts spell ssl tcl trigger xfer
 
 [net-irc/znc:0]
-package.use : net-irc/znc:0 -daemon -debug ipv6 perl python sasl ssl tcl
+package.use : net-irc/znc:0 -daemon -debug ipv6 perl python sasl ssl tcl python_single_target_python3_4
 
 [net-libs/daq:0]
 package.use : net-libs/daq:0 -ipq -nfq afpacket dump ipv6 pcap static-libs