diff --git a/examples/sinusoidal-function/example_sinusoidal_function.py b/examples/sinusoidal-function/example_sinusoidal_function.py
index 78abe17731559fddd2c299722d8b84fde7117543..10b0cd60a46101a11b9b6c467840cdd8642fa41b 100644
--- a/examples/sinusoidal-function/example_sinusoidal_function.py
+++ b/examples/sinusoidal-function/example_sinusoidal_function.py
@@ -137,7 +137,7 @@ if __name__ == "__main__":
     PostPCE = PostProcessing(engine)
 
     #Plot to check validation visually
-    PostPCE.valid_metamodel(n_samples=200)
+    PostPCE.valid_metamodel(n_samples=1)
 
     #Check the quality of your regression model 
     PostPCE.check_reg_quality()