diff --git a/cmd/dynamic.go b/cmd/dynamic.go
index 183f506..7df9f1b 100644
--- a/cmd/dynamic.go
+++ b/cmd/dynamic.go
@@ -7,7 +7,6 @@ import (
 	"os/exec"
 	"strconv"
 	"strings"
-	"syscall"
 	"time"
 
 	"github.com/pipeboard-co/pipeboard-cli/internal/client"
@@ -69,7 +68,7 @@ func maybeAutoRefresh(cache *ToolsCache) {
 	}
 	cmd := exec.Command(self, "refresh", "--if-changed")
 	cmd.Env = append(os.Environ(), "PIPEBOARD_AUTO_REFRESH=1")
-	cmd.SysProcAttr = &syscall.SysProcAttr{Setpgid: true}
+	setSysProcAttr(cmd)
 	cmd.Stdout = nil
 	cmd.Stderr = nil
 	_ = cmd.Start()
diff --git a/cmd/proc_unix.go b/cmd/proc_unix.go
new file mode 100644
index 0000000..6290f0c
--- /dev/null
+++ b/cmd/proc_unix.go
@@ -0,0 +1,14 @@
+//go:build !windows
+
+package cmd
+
+import (
+	"os/exec"
+	"syscall"
+)
+
+// setSysProcAttr detaches the subprocess into its own process group
+// so it survives after the parent exits.
+func setSysProcAttr(cmd *exec.Cmd) {
+	cmd.SysProcAttr = &syscall.SysProcAttr{Setpgid: true}
+}
diff --git a/cmd/proc_windows.go b/cmd/proc_windows.go
new file mode 100644
index 0000000..aa26a09
--- /dev/null
+++ b/cmd/proc_windows.go
@@ -0,0 +1,9 @@
+//go:build windows
+
+package cmd
+
+import "os/exec"
+
+// setSysProcAttr is a no-op on Windows; the subprocess runs independently
+// by default when stdout/stderr are nil.
+func setSysProcAttr(cmd *exec.Cmd) {}