diff --git a/hardware/arduino/firmwares/wifishield/scripts/ArduinoWifiShield_upgrade.sh b/hardware/arduino/firmwares/wifishield/scripts/ArduinoWifiShield_upgrade.sh
index d9a9e022d21..63aaf865c2a 100755
--- a/hardware/arduino/firmwares/wifishield/scripts/ArduinoWifiShield_upgrade.sh
+++ b/hardware/arduino/firmwares/wifishield/scripts/ArduinoWifiShield_upgrade.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 
-WIFI_FW_PATH="/hardware/arduino/firmwares/wifishield/binary"
-AVR_TOOLS_PATH="/hardware/tools/avr/bin"
+WIFI_FW_PATH="hardware/arduino/firmwares/wifishield/binary/"
+AVR_TOOLS_PATH="hardware/tools/avr/bin"
 
 TARGET_MICRO="at32uc3a1256"
 
diff --git a/hardware/arduino/firmwares/wifishield/scripts/ArduinoWifiShield_upgrade_mac.sh b/hardware/arduino/firmwares/wifishield/scripts/ArduinoWifiShield_upgrade_mac.sh
index 5082392496e..8c1593c48eb 100644
--- a/hardware/arduino/firmwares/wifishield/scripts/ArduinoWifiShield_upgrade_mac.sh
+++ b/hardware/arduino/firmwares/wifishield/scripts/ArduinoWifiShield_upgrade_mac.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 
-WIFI_FW_PATH="/hardware/arduino/firmwares/wifi-shield"
-AVR_TOOLS_PATH="/hardware/tools/avr/bin"
+WIFI_FW_PATH="hardware/arduino/firmwares/wifishield/binary/"
+AVR_TOOLS_PATH="hardware/tools/avr/bin"
 
 progname=$0