diff --git a/config/additional_config.conf b/config/additional_config.conf
index 628353d..d755620 100644
--- a/config/additional_config.conf
+++ b/config/additional_config.conf
@@ -14,6 +14,7 @@
     from_beginning = false
     csv_tag_columns = ["geoip_code","feed_name","src_ip"]
     csv_column_names = ["timestamp","rulenum","interface","friendlyname","action","ip_version","protocolid","protocol","src_ip","dest_ip","src_port","dest_port","direction","geoip_code","ip_alias_name","ip_evaluated","feed_name","resolvedhostname","clienthostname","duplicateeventstatus"]
+    csv_column_types = ["string","int","string","string","string","int","int","string","string","string","string","int","string","string","string","string","string","string","string","string"]
 
 [[inputs.tail]]
     files = ["/var/log/pfblockerng/dnsbl.log"]
@@ -23,6 +24,7 @@
     from_beginning = false
     csv_tag_columns = ["src_ip","tld"]
     csv_column_names = ["blocktype","timestamp","domain","src_ip","req_agent","blockmethod","blocklist","tld","feed_name","duplicateeventstatus"]
+    csv_column_types=["string","string","string","string","string","string","string","string","string","string"]
 
 #[[inputs.unbound]]
 #  server = "127.0.0.1:953"