diff --git a/packages/linux-firmware/brcmfmac_sdio-firmware-rpi/system.d/brcmfmac_sdio-firmware.service b/packages/linux-firmware/brcmfmac_sdio-firmware-rpi/system.d/brcmfmac_sdio-firmware.service
index ade61a2c0c..228a88e9b6 100644
--- a/packages/linux-firmware/brcmfmac_sdio-firmware-rpi/system.d/brcmfmac_sdio-firmware.service
+++ b/packages/linux-firmware/brcmfmac_sdio-firmware-rpi/system.d/brcmfmac_sdio-firmware.service
@@ -1,7 +1,7 @@
 [Unit]
 Description=Broadcom sdio firmware update for BCM43430A1
-ConditionPathExists=/dev/serial1
-After=network.target
+Requires=dev-serial1.device
+After=dev-serial1.device
 
 [Service]
 Type=simple