diff --git a/tbl_change.php b/tbl_change.php
index 2d4bcd8ad..d77ae864d 100644
--- a/tbl_change.php
+++ b/tbl_change.php
@@ -377,6 +377,8 @@ foreach ($rows as $row_id => $vrow) {
             if (stripos($table_fields[$i]['Type'], 'binary') === 0
             || stripos($table_fields[$i]['Type'], 'varbinary') === 0) {
                 $table_fields[$i]['is_binary'] = stristr($table_fields[$i]['Type'], 'binary');
+            } else {
+                $table_fields[$i]['is_binary'] = false; 
             }
 
             // If check to ensure types such as "enum('one','two','blob',..)" or
@@ -386,6 +388,8 @@ foreach ($rows as $row_id => $vrow) {
             || stripos($table_fields[$i]['Type'], 'mediumblob') === 0
             || stripos($table_fields[$i]['Type'], 'longblob') === 0) {
                 $table_fields[$i]['is_blob']   = stristr($table_fields[$i]['Type'], 'blob');
+            } else {
+                $table_fields[$i]['is_blob'] = false; 
             }
 
             // If check to ensure types such as "enum('one','two','char',..)" or
@@ -393,6 +397,8 @@ foreach ($rows as $row_id => $vrow) {
             if (stripos($table_fields[$i]['Type'], 'char') === 0
             || stripos($table_fields[$i]['Type'], 'varchar') === 0) {
                 $table_fields[$i]['is_char']   = stristr($table_fields[$i]['Type'], 'char');
+            } else {
+                $table_fields[$i]['is_char'] = false; 
             }
 
             $table_fields[$i]['first_timestamp'] = false;