diff --git a/src/renderer/store/slices/projectSlice.ts b/src/renderer/store/slices/projectSlice.ts
index 7f1293af..bbcdf440 100644
--- a/src/renderer/store/slices/projectSlice.ts
+++ b/src/renderer/store/slices/projectSlice.ts
@@ -59,6 +59,7 @@ export const createProjectSlice: StateCreator<AppState, [], [], ProjectSlice> =
   selectProject: (id: string) => {
     set({
       selectedProjectId: id,
+      sidebarCollapsed: false, // Ensure session list is visible when a project is selected
       ...getSessionResetState(),
     });
 
diff --git a/src/renderer/store/slices/repositorySlice.ts b/src/renderer/store/slices/repositorySlice.ts
index 8313a8ea..f9b1b4da 100644
--- a/src/renderer/store/slices/repositorySlice.ts
+++ b/src/renderer/store/slices/repositorySlice.ts
@@ -87,6 +87,7 @@ export const createRepositorySlice: StateCreator<AppState, [], [], RepositorySli
         selectedWorktreeId: worktreeToSelect.id,
         selectedProjectId: worktreeToSelect.id,
         activeProjectId: worktreeToSelect.id,
+        sidebarCollapsed: false, // Ensure session list is visible when a project is selected
         ...getSessionResetState(),
       });
       // Fetch sessions for this worktree