diff --git a/sys/dev/acpica/acpi_pcib.c b/sys/dev/acpica/acpi_pcib.c
index 5bdf50a488d2..3677966b7d5b 100644
--- a/sys/dev/acpica/acpi_pcib.c
+++ b/sys/dev/acpica/acpi_pcib.c
@@ -80,7 +80,7 @@ acpi_pcib_attach(device_t dev, ACPI_BUFFER *prt, int busno)
      * Attach the PCI bus proper.
      */
     if ((child = device_add_child(dev, "pci", busno)) == NULL) {
-	device_printf(device_get_parent(dev), "couldn't attach pci bus");
+	device_printf(device_get_parent(dev), "couldn't attach pci bus\n");
 	return_VALUE(ENXIO);
     }