diff --git a/internal/version/version.go b/internal/version/version.go
index f60ceeb..1093261 100644
--- a/internal/version/version.go
+++ b/internal/version/version.go
@@ -22,7 +22,7 @@ import "strings"
 const Name = "Cthulhu"
 
 const Version = "2026.10.25"
-const Channel = "master"
+const Channel = "testing"
 
 var Build = Version
 
diff --git a/internal/wine/manager.go b/internal/wine/manager.go
index 5e2f6d1..573072f 100644
--- a/internal/wine/manager.go
+++ b/internal/wine/manager.go
@@ -188,7 +188,10 @@ func (manager *Manager) launch(child *process, source prefix, now time.Time) err
 	cmd.WaitDelay = 200 * time.Millisecond
 	cmd.SysProcAttr = &syscall.SysProcAttr{Setsid: true}
 	environment := os.Environ()
-	for _, key := range []string{"DISPLAY", "WAYLAND_DISPLAY", "XDG_RUNTIME_DIR", "DBUS_SESSION_BUS_ADDRESS"} {
+	// Hooks need the application's display, but D-Bus requests go to this
+	// reader's session. Applications launched from another session bus must
+	// not redirect the helper away from the service supervising it.
+	for _, key := range []string{"DISPLAY", "WAYLAND_DISPLAY", "XDG_RUNTIME_DIR"} {
 		if value := source.environment[key]; value != "" {
 			environment = append(environment, key+"="+value)
 		}
diff --git a/internal/wine/manager_test.go b/internal/wine/manager_test.go
index 06049b2..438fe26 100644
--- a/internal/wine/manager_test.go
+++ b/internal/wine/manager_test.go
@@ -219,13 +219,14 @@ func TestManagerLaunchesAndStopsHelperForActivePrefix(t *testing.T) {
 	if err := os.WriteFile(filepath.Join(proc, "cmdline"), []byte("application.exe\x00"), 0600); err != nil {
 		t.Fatal(err)
 	}
-	if err := os.WriteFile(filepath.Join(proc, "environ"), []byte("WINEPREFIX="+prefixPath+"\x00WINELOADER="+loader+"\x00"), 0600); err != nil {
+	if err := os.WriteFile(filepath.Join(proc, "environ"), []byte("WINEPREFIX="+prefixPath+"\x00WINELOADER="+loader+"\x00DBUS_SESSION_BUS_ADDRESS=unix:path=/application-bus\x00DISPLAY=:7\x00"), 0600); err != nil {
 		t.Fatal(err)
 	}
 	output := filepath.Join(root, "helper-output")
 	t.Setenv("CTHULHU_TEST_WINE_OUTPUT", output)
+	t.Setenv("DBUS_SESSION_BUS_ADDRESS", "unix:path=/reader-bus")
 	helper := filepath.Join(root, "helper")
-	script := "#!/bin/sh\nprintf '%s\\n' \"$WINEPREFIX\" \"$CTHULHU_WINE_ACCESS_MANAGED\" > \"$CTHULHU_TEST_WINE_OUTPUT\"\nexec sleep 30\n"
+	script := "#!/bin/sh\nprintf '%s\\n' \"$WINEPREFIX\" \"$CTHULHU_WINE_ACCESS_MANAGED\" \"$DBUS_SESSION_BUS_ADDRESS\" \"$DISPLAY\" > \"$CTHULHU_TEST_WINE_OUTPUT\"\nexec sleep 30\n"
 	if err := os.WriteFile(helper, []byte(script), 0700); err != nil {
 		t.Fatal(err)
 	}
@@ -243,7 +244,7 @@ func TestManagerLaunchesAndStopsHelperForActivePrefix(t *testing.T) {
 		}
 		time.Sleep(10 * time.Millisecond)
 	}
-	if string(contents) != prefixPath+"\n1\n" {
+	if string(contents) != prefixPath+"\n1\nunix:path=/reader-bus\n:7\n" {
 		t.Fatalf("helper environment = %q", contents)
 	}
 	stopCtx, cancel := context.WithTimeout(context.Background(), time.Second)