diff --git a/GPy/core/parameterization/variational.py b/GPy/core/parameterization/variational.py
index 7cc5c99a..36079f2e 100644
--- a/GPy/core/parameterization/variational.py
+++ b/GPy/core/parameterization/variational.py
@@ -141,7 +141,7 @@ class NormalPosterior(VariationalPosterior):
     holds the means and variances for a factorizing multivariate normal distribution
     '''
 
-    def plot(self, *args):
+    def plot(self, *args, **kwargs):
         """
         Plot latent space X in 1D:
 
@@ -150,8 +150,7 @@ class NormalPosterior(VariationalPosterior):
         import sys
         assert "matplotlib" in sys.modules, "matplotlib package has not been imported."
         from ...plotting.matplot_dep import variational_plots
-        import matplotlib
-        return variational_plots.plot(self,*args)
+        return variational_plots.plot(self, *args, **kwargs)
 
 class SpikeAndSlabPosterior(VariationalPosterior):
     '''