diff --git a/internal/ui/session.go b/internal/ui/session.go
index 7644d631b328351f20e4662c5544ae72bfe73e1e..0721ebd90d45cabedbcecc5ad728d945439bf53d 100644
--- a/internal/ui/session.go
+++ b/internal/ui/session.go
@@ -206,8 +206,7 @@ func (s Session) breadcrumb() string {
 }
 
 // navigateBack moves to the previous screen, or exits if already on
-// the first screen. Sends the adjusted window size directly to the
-// re-activated screen so it has correct dimensions immediately.
+// the first screen.
 func (s Session) navigateBack() (tea.Model, tea.Cmd) {
 	if s.cursor <= 0 {
 		// On the first screen: back exits.
@@ -215,19 +214,11 @@ func (s Session) navigateBack() (tea.Model, tea.Cmd) {
 		return s, tea.Quit
 	}
 	s.cursor--
-	cmd := s.screens[s.cursor].Init()
-	if s.lastSize != nil {
-		updated, sizeCmd := s.screens[s.cursor].Update(s.adjustedSizeMsg())
-		s.screens[s.cursor] = updated
-		cmd = tea.Batch(cmd, sizeCmd)
-	}
-	return s, cmd
+	return s, s.activateScreen()
 }
 
 // advance moves to the next screen. If the current screen is the last
 // one, the flow is complete — the session marks itself done and quits.
-// Sends the adjusted window size directly to the newly activated
-// screen so it has correct dimensions immediately.
 func (s Session) advance() (tea.Model, tea.Cmd) {
 	if s.cursor >= len(s.screens)-1 {
 		// Last screen completed: flow is done.
@@ -236,13 +227,20 @@ func (s Session) advance() (tea.Model, tea.Cmd) {
 		return s, tea.Quit
 	}
 	s.cursor++
+	return s, s.activateScreen()
+}
+
+// activateScreen initialises the screen at the current cursor and
+// sends it the adjusted window size so it has correct dimensions
+// immediately. Used by both navigateBack and advance.
+func (s Session) activateScreen() tea.Cmd {
 	cmd := s.screens[s.cursor].Init()
 	if s.lastSize != nil {
 		updated, sizeCmd := s.screens[s.cursor].Update(s.adjustedSizeMsg())
 		s.screens[s.cursor] = updated
 		cmd = tea.Batch(cmd, sizeCmd)
 	}
-	return s, cmd
+	return cmd
 }
 
 // forwardToScreen sends a message to the active screen and updates it.