diff --git a/Hype.rb b/Hype.rb
index f354c09..8bb2d7e 100644
--- a/Hype.rb
+++ b/Hype.rb
@@ -241,5 +241,6 @@ def execute
     end
   rescue
     puts $!, $@
+    exit(2)
   end
 end
\ No newline at end of file
diff --git a/Hypertension.rb b/Hypertension.rb
index 252f99d..d27d52a 100644
--- a/Hypertension.rb
+++ b/Hypertension.rb
@@ -235,8 +235,10 @@ def problem(state, tasks, debug = false, ordered = true)
     plan
   rescue Interrupt
     puts 'Interrupted'
+    exit(130)
   rescue
     puts $!, $@
+    exit(2)
   end
 
 else
@@ -260,8 +262,10 @@ def problem(state, tasks, debug = false, ordered = true)
     plan
   rescue Interrupt
     puts 'Interrupted'
+    exit(130)
   rescue
     puts $!, $@
+    exit(2)
   end
 
 end
diff --git a/extensions/Knoblock.rb b/extensions/Knoblock.rb
index 9cf65cb..bf377e6 100644
--- a/extensions/Knoblock.rb
+++ b/extensions/Knoblock.rb
@@ -109,5 +109,6 @@ def dot_str(i)
     Knoblock.create_hierarchy(PDDL_Parser.operators, PDDL_Parser.predicates, goals, true)
   rescue
     puts $!, $@
+    exit(2)
   end
 end
\ No newline at end of file