diff --git a/lib/scanf.rb b/lib/scanf.rb
index c4da747afe..e2f0d04c14 100644
--- a/lib/scanf.rb
+++ b/lib/scanf.rb
@@ -659,7 +659,8 @@ class IO
     last_spec = fstr.last_spec
     begin
       current = scanf(str)
-      final.push(yield(current)) unless current.empty?
+      break if current.empty?
+      final.push(yield(current))
     end until eof || fstr.last_spec_tried == last_spec
     return final
   end