diff --git a/samples/net/cellular_modem/boards/nrf9160dk_nrf52840.overlay b/samples/net/cellular_modem/boards/nrf9160dk_nrf52840.overlay
index c639ec8b305..6fd249e01c4 100644
--- a/samples/net/cellular_modem/boards/nrf9160dk_nrf52840.overlay
+++ b/samples/net/cellular_modem/boards/nrf9160dk_nrf52840.overlay
@@ -1,4 +1,4 @@
-#include <nrf9160dk_uart1_on_if0_3.dtsi>
+#include <nrf52840/nrf9160dk_uart1_on_if0_3.dtsi>
 
 / {
 	aliases {