diff --git a/GPy/core/verbose_optimization.py b/GPy/core/verbose_optimization.py
index 6686f88d..eab62d60 100644
--- a/GPy/core/verbose_optimization.py
+++ b/GPy/core/verbose_optimization.py
@@ -13,7 +13,7 @@ def exponents(fnow, current_grad):
 class VerboseOptimization(object):
     def __init__(self, model, opt, maxiters, verbose=True, current_iteration=0, ipython_notebook=False):
         self.verbose = verbose
-        if self.verbose:
+        if self.verbose or ipython_notebook:
             self.model = model
             self.iteration = current_iteration
             self.ipython_notebook = ipython_notebook
@@ -129,7 +129,7 @@ class VerboseOptimization(object):
             self.current_gradient = np.nan
 
     def __exit__(self, type, value, traceback):
-        if self.verbose:
+        if self.verbose or self.ipython_notebook:
             self.model.remove_observer(self)
         self.stop = time.time()
 
@@ -138,4 +138,4 @@ class VerboseOptimization(object):
         if not self.ipython_notebook:
             print
             print 'Optimization finished in {0:.5g} Seconds'.format(self.stop-self.start)
-            print
\ No newline at end of file
+            print