diff --git a/mysql_client.lua b/mysql_client.lua
index ff0aa74..f796d4f 100644
--- a/mysql_client.lua
+++ b/mysql_client.lua
@@ -438,7 +438,6 @@ local bin_types = {
 	tiny_blob   = 'tinyblob',    --always selected as blob
 	medium_blob = 'mediumblob',  --always selected as blob
 	long_blob   = 'longblob',    --always selected as blob
-	blob        = 'blob',
 	var_string  = 'varbinary',
 	string      = 'binary',
 }
@@ -458,9 +457,10 @@ local string_types = {
 	var_string=1,
 	enum=1,
 	set=1,
-	long_blob=1,
 	blob=1,
 	tiny_blob=1,
+	medium_blob=1,
+	long_blob=1,
 	geometry=1,
 	bit=1,
 	decimal=1,