diff --git a/app/queries/admins/laboratory_query.rb b/app/queries/admins/laboratory_query.rb
index 21020216b..8667bb8ed 100644
--- a/app/queries/admins/laboratory_query.rb
+++ b/app/queries/admins/laboratory_query.rb
@@ -15,7 +15,7 @@ class Admins::LaboratoryQuery < ApplicationQuery
     keyword = strip_param(:keyword)
     if keyword.present?
       like_sql = 'schools.name LIKE :keyword OR laboratories.identifier LIKE :keyword'
-      laboratories = laboratories.joins(:school).where(like_sql, keyword: "%#{keyword}%")
+      laboratories = laboratories.left_joins(:school).where(like_sql, keyword: "%#{keyword}%")
     end
 
     custom_sort laboratories, params[:sort_by], params[:sort_direction]