diff --git a/dimensionhub/Views/DateNavView.swift b/dimensionhub/Views/DateNavView.swift
index 2d7e25a..e7a8a6c 100644
--- a/dimensionhub/Views/DateNavView.swift
+++ b/dimensionhub/Views/DateNavView.swift
@@ -12,7 +12,7 @@ import Observation
 struct DateNavView: View {
     @State var navModel = DateNavModel()
     
-    let selectGroupId: String
+    @Binding var selectGroupId: String
     @Binding var showDateNavPopover: Bool
     
     var body: some View {
diff --git a/dimensionhub/Views/IndexView.swift b/dimensionhub/Views/IndexView.swift
index 746ff94..467e5ec 100644
--- a/dimensionhub/Views/IndexView.swift
+++ b/dimensionhub/Views/IndexView.swift
@@ -204,7 +204,7 @@ struct IndexView: View {
                 }
             }
             .popover(isPresented: $showDateNavPopover) {
-                DateNavView(selectGroupId: self.selectGroupId, showDateNavPopover: $showDateNavPopover)
+                DateNavView(selectGroupId: self.$selectGroupId, showDateNavPopover: $showDateNavPopover)
             }
         }
         .task {