diff --git a/lib/administrate/search.rb b/lib/administrate/search.rb
index 85ba7ea69d..304a84a8e1 100644
--- a/lib/administrate/search.rb
+++ b/lib/administrate/search.rb
@@ -31,7 +31,7 @@ def to_s
       private
 
       def filter?(word)
-        valid_filters&.any? { |filter| word.match?(/^#{filter}:.*$/) }
+        valid_filters&.any? { |filter| word.match?(/^#{filter}:/) }
       end
 
       def parse_query(query)