diff --git a/stand/webapp.py b/stand/webapp.py
index 5b71452..fb49dcd 100644
--- a/stand/webapp.py
+++ b/stand/webapp.py
@@ -65,7 +65,8 @@ response = aggrid(
     df,
     reload_data=changed,
     pagination=pagination,
-    height=height
+    height=height,
+    key="stand"
 )
 
 
diff --git a/stand/widgets/aggrid.py b/stand/widgets/aggrid.py
index ea94ede..bc4ce1e 100644
--- a/stand/widgets/aggrid.py
+++ b/stand/widgets/aggrid.py
@@ -1,7 +1,7 @@
 from st_aggrid import AgGrid, GridOptionsBuilder
 
 
-def aggrid(df, reload_data=False, height="auto", pagination=True):
+def aggrid(df, reload_data=False, height="auto", pagination=True, key=None):
     df = df[::-1] # display in reversed chronological order
 
     gob = GridOptionsBuilder.from_dataframe(
@@ -26,7 +26,7 @@ def aggrid(df, reload_data=False, height="auto", pagination=True):
         theme="streamlit",
         fit_columns_on_grid_load=True,
         reload_data=reload_data,
-        key=make_key(df, auto_height, pagination)
+        key=make_key(key, df, auto_height, pagination)
     )
 
     df = response.get("data", df)
@@ -36,16 +36,18 @@ def aggrid(df, reload_data=False, height="auto", pagination=True):
 
 
 
-def make_key(df, auto_height, pagination):
+def make_key(prefix, df, auto_height, pagination):
     """
     encode the dataframe's column names into a key,
     as well as the state of the auto height and pagination settings,
     this triggers a hard reload (like F5) of the AgGrid if the columns/settings change
     """
+    if prefix is None:
+        return None
     items = list(df.columns)
     items.append(auto_height)
     items.append(pagination)
-    return "stand:" + "+".join(str(i) for i in items)
+    return str(prefix) + ":" + "+".join(str(i) for i in items)