--- a/libinterp/parse-tree/pt-eval.cc	Thu Jun 15 16:13:26 2017 -0700
+++ b/libinterp/parse-tree/pt-eval.cc	Thu Jun 15 19:37:04 2017 -0400
@@ -988,6 +988,13 @@
             // exception will be thrown instead of the original.
             throw;
           }
+        catch (const octave::interrupt_exception&)
+          {
+            // The comments above apply here as well.
+            recover_from_exception ();
+            do_unwind_protect_cleanup_code (cleanup_code);
+            throw;
+          }
 
         // Also execute the unwind_protect_cleanump code if the
         // unwind_protect block runs without error.