diff --git a/meta-phosphor/recipes-graphics/libvncserver/libvncserver_%.bbappend b/meta-phosphor/recipes-graphics/libvncserver/libvncserver_%.bbappend
index fa15047..76d915c 100644
--- a/meta-phosphor/recipes-graphics/libvncserver/libvncserver_%.bbappend
+++ b/meta-phosphor/recipes-graphics/libvncserver/libvncserver_%.bbappend
@@ -1 +1 @@
-PACKAGECONFIG = "jpeg lzo systemd zlib openssl"
+PACKAGECONFIG = "jpeg lzo systemd zlib openssl pthread"