lib/head_music/interval.rb in head_music-0.1.1 vs lib/head_music/interval.rb in head_music-0.1.5

@@ -7,10 +7,10 @@
 
   attr_reader :semitones
 
   def self.get(semitones)
     @intervals_memo ||= {}
-    @intervals_memo[semitones] ||= new(semitones)
+    @intervals_memo[semitones.to_i] ||= new(semitones.to_i)
   end
 
   def self.named(name)
     name = name.to_s
     get(NAMES.index(name)) if NAMES.include?(name)