Search builder throws error if location type has space

Steps to replicate

1. Add new Location type say 'Mentor Directory'
2. Using Search Builder, search for all contacts with email (Mentor Directory)
3. Results in DB error
   Database Error Code: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'JOIN civicrm_location_type `Mentor_Directory-location_type` ON ( ( `Mentor_Dire' at line 2, 1064
   Additional Details: 
   Array ( [callback] => Array ( [0] => CRM_Core_Error [1] => handle ) [code] => -2 [message] => DB Error: syntax error [mode] => 16 [debug_info] => SELECT DISTINCT UPPER(LEFT(contact_a.sort_name, 1)) as sort_name FROM civicrm_contact contact_a LEFT JOIN civicrm_email `Mentor_Directory-email` ON ( contact_a.id = `Mentor_Directory-email`.contact_id ) and `Mentor_Directory-email`.location_type_id = LEFT JOIN civicrm_location_type `Mentor_Directory-location_type` ON ( ( `Mentor_Directory-email`.location_type_id = `Mentor_Directory-location_type`.id ) ) WHERE ( ( LOWER(`Mentor_Directory-email`.email) IS NULL ) ) AND (contact_a.is_deleted = 0) GROUP BY contact_a.id ORDER BY UPPER(LEFT(contact_a.sort_name, 1)) asc [nativecode=1064 ** You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'JOIN civicrm_location_type `Mentor_Directory-location_type` ON ( ( `Mentor_Dire' at line 2] [type] => DB_Error [user_info] => SELECT DISTINCT UPPER(LEFT(contact_a.sort_name, 1)) as sort_name FROM civicrm_contact contact_a LEFT JOIN civicrm_email `Mentor_Directory-email` ON ( contact_a.id = `Mentor_Directory-email`.contact_id ) and `Mentor_Directory-email`.location_type_id = LEFT JOIN civicrm_location_type `Mentor_Directory-location_type` ON ( ( `Mentor_Directory-email`.location_type_id = `Mentor_Directory-location_type`.id ) ) WHERE ( ( LOWER(`Mentor_Directory-email`.email) IS NULL ) ) AND (contact_a.is_deleted = 0) GROUP BY contact_a.id ORDER BY UPPER(LEFT(contact_a.sort_name, 1)) asc [nativecode=1064 ** You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'JOIN civicrm_location_type `Mentor_Directory-location_type` ON ( ( `Mentor_Dire' at line 2] [to_string] => [db_error: message="DB Error: syntax error" code=-2 mode=callback callback=CRM_Core_Error::handle prefix="" info="SELECT DISTINCT UPPER(LEFT(contact_a.sort_name, 1)) as sort_name FROM civicrm_contact contact_a LEFT JOIN civicrm_email `Mentor_Directory-email` ON ( contact_a.id = `Mentor_Directory-email`.contact_id ) and `Mentor_Directory-email`.location_type_id = LEFT JOIN civicrm_location_type `Mentor_Directory-location_type` ON ( ( `Mentor_Directory-email`.location_type_id = `Mentor_Directory-location_type`.id ) ) WHERE ( ( LOWER(`Mentor_Directory-email`.email) IS NULL ) ) AND (contact_a.is_deleted = 0) GROUP BY contact_a.id ORDER BY UPPER(LEFT(contact_a.sort_name, 1)) asc [nativecode=1064 ** You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'JOIN civicrm_location_type `Mentor_Directory-location_type` ON ( ( `Mentor_Dire' at line 2]"] )