diff --git a/pages/1-samples_selection.py b/pages/1-samples_selection.py
index 7aa5a6dab855f2ffa6c3f3d85e8ce5bcafe88e22..1b969c9b4a888b6e2f02d37f8d7da32b7676fd15 100644
--- a/pages/1-samples_selection.py
+++ b/pages/1-samples_selection.py
@@ -89,11 +89,13 @@ with container2:
                     #fig = px.scatter(data, x=axis1, y=axis2, color= colors)
                     st.write('Scores plot')
                     fig = px.scatter_3d(data, x=axis1, y=axis2, z = axis3, color=colors)
+                    fig.update_traces(marker=dict(size=4))
 
 
 
                 else:
                     fig = px.scatter_3d(t, x=axis1, y=axis2, z = axis3)
+                    fig.update_traces(marker=dict(size=4))
 
                 st.plotly_chart(fig)