diff --git a/jshop2/run.rb b/jshop2/run.rb
index a10f4d7094cc9a828310aa7c810169aac266035e..dbd9963fc9395eaae7516e2c61cd464272fed731 100755
--- a/jshop2/run.rb
+++ b/jshop2/run.rb
@@ -22,7 +22,7 @@ begin
     domain_name = File.basename(domain_file, '.*')
     problem_name = File.basename(problem_file, '.*')
     mode = 'run' if mode != 'gui'
-    plans = 'a' if mode !~ /\d+/
+    plans = 'a' if plans !~ /\d+/
     puts 'Input',
          "  domain file:  #{domain_file}",
          "  problem file: #{problem_file}",