diff --git a/bin/device-install.sh b/bin/device-install.sh
index 3b1bd50f..37a6f781 100755
--- a/bin/device-install.sh
+++ b/bin/device-install.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-PYTHON=${PYTHON:-python3}
+PYTHON=${PYTHON:-$(which python3 python|head -n 1)}
 
 set -e
 
diff --git a/bin/device-update.sh b/bin/device-update.sh
index 98eff9d1..6f8aa0a6 100755
--- a/bin/device-update.sh
+++ b/bin/device-update.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-PYTHON=${PYTHON:-python3}
+PYTHON=${PYTHON:-$(which python3 python|head -n 1)}
 
 # Usage info
 show_help() {