diff --git a/lib/deface/override.rb b/lib/deface/override.rb
index b37893c..bba1632 100644
--- a/lib/deface/override.rb
+++ b/lib/deface/override.rb
@@ -196,7 +196,7 @@ def digest
     #
     def self.digest(details)
       overrides = self.find(details)
-      to_hash = overrides.inject('') { |digest, override| digest << override.digest }
+      to_hash = overrides.inject(''.freeze) { |digest, override| digest << override.digest }
       Deface::Digest.hexdigest(to_hash)
     end
 
diff --git a/lib/deface/search.rb b/lib/deface/search.rb
index c4f5daf..31a2fd7 100644
--- a/lib/deface/search.rb
+++ b/lib/deface/search.rb
@@ -10,12 +10,15 @@ def find(details)
         virtual_path = details[:virtual_path]
         return [] if virtual_path.nil?
 
-        [/^\//, /\.\w+\z/].each { |regex| virtual_path.gsub!(regex, '') }
+        [/^\//, /\.\w+\z/].each { |regex| virtual_path.gsub!(regex, ''.freeze) }
 
         result = []
         result << self.all[virtual_path.to_sym].try(:values)
+        
+        result = result.flatten
+        result.compact!
 
-        result.flatten.compact.sort_by &:sequence
+        result.sort_by &:sequence
       end
 
       # finds all overrides that are using a template / parital as there source