diff --git a/lib/letter_avatar/avatar.rb b/lib/letter_avatar/avatar.rb
index a817981..2e4b725 100644
--- a/lib/letter_avatar/avatar.rb
+++ b/lib/letter_avatar/avatar.rb
@@ -68,7 +68,7 @@ module LetterAvatar
             -pointsize 140
             -font #{FONT_FILENAME}
             -weight #{LetterAvatar.weight}
-            -fill '#{LetterAvatar.fill_color || FILL_COLOR}'
+            -fill '#{LetterAvatar.fill_color}'
             -gravity Center
             -annotate #{LetterAvatar.annotate_position} '#{identity.letter}'
             '#{filename}'
diff --git a/lib/letter_avatar/configuration.rb b/lib/letter_avatar/configuration.rb
index 8b9e17b..6786671 100644
--- a/lib/letter_avatar/configuration.rb
+++ b/lib/letter_avatar/configuration.rb
@@ -9,7 +9,7 @@ module LetterAvatar
     end
 
     def fill_color
-      @fill_color
+      @fill_color || Avatar::FILL_COLOR
     end
 
     def fill_color=(v)
--
libgit2 0.21.0