diff --git a/dashboard2/main.py b/dashboard2/main.py
index 145fd01..1e003b8 100644
--- a/dashboard2/main.py
+++ b/dashboard2/main.py
@@ -12,6 +12,8 @@ app = Dash(__name__, external_stylesheets=[dbc.themes.BOOTSTRAP])
 
 df = pd.DataFrame({'y': np.random.normal(loc=0, scale=10, size=1000),
                    'x': np.random.normal(loc=10, scale=2, size=1000)})
+df_min = math.floor(df["y"].min())
+df_max = math.ceil(df["y"].max())
 
 app.layout = html.Div(
     [
@@ -32,9 +34,9 @@ app.layout = html.Div(
                 dbc.Col(
                     [
                         dcc.RangeSlider(
-                            min=math.floor(df["y"].min()),
-                            max=math.ceil(df["y"].max()),
-                            value=[math.floor(df["y"].min()), math.ceil(df["y"].max())],
+                            min=df_min,
+                            max=df_max,
+                            value=[df_min, df_max],
                             id="range",
                         )
                     ],