diff --git a/.travis.yml b/.travis.yml
index ef8aeea..4e168e6 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -12,7 +12,8 @@ script:
   - 'howdy | ack-grep --passthru --color "current active user: travis"'
   - 'sudo howdy | ack-grep --passthru --color "current active user: travis"'
 
-  - sudo howdy test
+  - echo "import face_recognition; print(face_recognition.__version__);" > /tmp/h.py
+  - python3 /tmp/h.py
 
   # Remove howdy from the installation
   - sudo apt purge howdy -y
diff --git a/debian/postinst b/debian/postinst
index 7130415..6db89a5 100755
--- a/debian/postinst
+++ b/debian/postinst
@@ -53,6 +53,10 @@ if not os.path.exists("/tmp/howdy_picked_device"):
 			# Go through every setting in the old config and apply it to the new file
 			for section in oldConf.sections():
 				for (key, value) in oldConf.items(section):
+					if key == "device_id":
+						key = "device_path"
+						value = "/dev/video" + value
+
 					try:
 						newConf.set(section, key, value)
 					# Add a new section where needed