diff --git a/roles/dns/application/templates/zones.makefile b/roles/dns/application/templates/zones.makefile
index cd290c1..9a93b17 100644
--- a/roles/dns/application/templates/zones.makefile
+++ b/roles/dns/application/templates/zones.makefile
@@ -8,4 +8,4 @@ zones:=$(zone_dirs:/=)
 all: $(addprefix ${dest}/,$(addsuffix /${dest_name},${zones}))
 
 ${dest}/%/${dest_name}: %/*.db
-	cat $^ | sed '0,/^  0$$/s//  '"$$(($$(date +%s) / 60))"'/' > "$@";
+	cat $(sort $^) | sed '0,/^  0$$/s//  '"$$(($$(date +%s) / 60))"'/' > "$@";