Index: src/bp-xprofile/classes/class-bp-xprofile-profiledata.php
===================================================================
--- src/bp-xprofile/classes/class-bp-xprofile-profiledata.php	(revision 12878)
+++ src/bp-xprofile/classes/class-bp-xprofile-profiledata.php	(working copy)
@@ -357,7 +357,7 @@
 				$cache_key = "{$user_id}:{$field_id}";
 
 				// If a value was found, cache it.
-				if ( isset( $queried_data[ $field_id ] ) ) {
+				if ( isset( $queried_data[ $field_id ] ) && ! isset( $field_type_objects[ $field_id ]->wp_user_key ) ) {
 					wp_cache_set( $cache_key, $queried_data[ $field_id ], 'bp_xprofile_data' );
 
 				// If no value was found, cache an empty item
@@ -373,11 +373,11 @@
 						$d->table_name = $meta['table_name'];
 
 					} else {
-						$d->id    = '';
-						$d->value = '';
+						$d->id           = '';
+						$d->value        = '';
+						$d->table_name   = '';
 					}
 
-					$d->table_name   = '';
 					$d->user_id      = $user_id;
 					$d->field_id     = $field_id;
 					$d->last_updated = '';