diff --git a/lib/unison/ui/fileview.rb b/lib/unison/ui/fileview.rb
index 3216a4a..235f843 100644
--- a/lib/unison/ui/fileview.rb
+++ b/lib/unison/ui/fileview.rb
@@ -7,7 +7,7 @@ module Unison
         super(*args)
 
         @file = file
-        @current_log_size = File.size(@file)
+        @current_log_size = File.exist?(@file) ? File.size(@file) : 0
 
         self.plainText = INITIAL
         self.readOnly = true