diff --git a/abusefilter.tables.sql b/abusefilter.tables.sql
index fdf042fda..49eb02b5c 100644
--- a/abusefilter.tables.sql
+++ b/abusefilter.tables.sql
@@ -36,7 +36,7 @@ CREATE TABLE /*$wgDBprefix*/abuse_filter_log (
 	afl_ip varchar(255) not null,
 	afl_action varbinary(255) not null,
 	afl_actions varbinary(255) not null,
-	afl_var_dump BLOB NOT NULL,
+	afl_var_dump LONGBLOB NOT NULL,
 	afl_timestamp binary(14) NOT NULL,
 	afl_namespace tinyint NOT NULL,
 	afl_title varchar(255) binary NOT NULL,