diff --git a/bin/prepare_test_environment.sh b/bin/prepare_test_environment.sh
index 573e2525..e849164e 100644
--- a/bin/prepare_test_environment.sh
+++ b/bin/prepare_test_environment.sh
@@ -47,6 +47,6 @@ EOF
 
 if [ "$START_SERVER" = true ]; then
     cd /usr/src/app
-    python3 server.py &
+    python server.py &
     sleep 3
 fi
diff --git a/bin/start_server.sh b/bin/start_server.sh
index 337d6821..15882013 100755
--- a/bin/start_server.sh
+++ b/bin/start_server.sh
@@ -23,10 +23,10 @@ if [ -n "${MANAGEMENT_USER+x}" ] && [ -n "${MANAGEMENT_PASSWORD+x}" ]; then
 fi
 
 echo "Running migration..."
-python3 ./bin/migrate.py
+python ./bin/migrate.py
 
 if [[ "$ENVIRONMENT" == "development" ]]; then
     flask --app server.py run --debug --reload --host 0.0.0.0 --port 8080
 else
-    python3 server.py
+    python server.py
 fi
diff --git a/bin/start_viewer.sh b/bin/start_viewer.sh
index a7a8b48b..bd4dd1d8 100755
--- a/bin/start_viewer.sh
+++ b/bin/start_viewer.sh
@@ -39,7 +39,7 @@ trap '' 16
 echo 0 >  /sys/fs/cgroup/memory/memory.swappiness
 
 # Start viewer
-sudo -E -u viewer dbus-run-session python3 viewer.py &
+sudo -E -u viewer dbus-run-session python viewer.py &
 
 # Wait for the viewer
 while true; do
diff --git a/bin/start_wifi_connect.sh b/bin/start_wifi_connect.sh
index b68b451e..9fcb5804 100644
--- a/bin/start_wifi_connect.sh
+++ b/bin/start_wifi_connect.sh
@@ -31,7 +31,7 @@ while [[ true ]]; do
         echo "Skipping setting up Wifi-Connect Access Point."
 
         if [[ "$IS_CONNECTED" = 'false' ]]; then
-            python3 send_zmq_message.py --action='show_splash'
+            python send_zmq_message.py --action='show_splash'
         fi
 
         exit 0
@@ -41,7 +41,7 @@ while [[ true ]]; do
         echo "Connect to the Access Point and configure the SSID and Passphrase for the network to connect to."
 
         if [[ "$IS_CONNECTED" = '' ]]; then
-            python3 send_zmq_message.py --action='setup_wifi'
+            python send_zmq_message.py --action='setup_wifi'
         fi
 
         IS_CONNECTED='false'
diff --git a/docker/Dockerfile.base.tmpl b/docker/Dockerfile.base.tmpl
index 07f30867..be8525d8 100644
--- a/docker/Dockerfile.base.tmpl
+++ b/docker/Dockerfile.base.tmpl
@@ -32,6 +32,7 @@ RUN --mount=type=cache,target=/var/cache/apt \
         python3-pip \
         python3-setuptools \
         python3-simplejson \
+        python-is-python3 \
         sqlite3
 
 # Works around issue with `curl`
diff --git a/docker/Dockerfile.viewer.tmpl b/docker/Dockerfile.viewer.tmpl
index bac1daaf..5cce0748 100644
--- a/docker/Dockerfile.viewer.tmpl
+++ b/docker/Dockerfile.viewer.tmpl
@@ -103,6 +103,7 @@ RUN --mount=type=cache,target=/var/cache/apt \
         python3-netifaces \
         python3-pip \
         python3-setuptools \
+        python-is-python3 \
         ttf-wqy-zenhei \
         vlc \
         sqlite3
diff --git a/docker/Dockerfile.websocket.tmpl b/docker/Dockerfile.websocket.tmpl
index 92735e08..b4077b0d 100644
--- a/docker/Dockerfile.websocket.tmpl
+++ b/docker/Dockerfile.websocket.tmpl
@@ -12,4 +12,4 @@ ENV GIT_HASH=$GIT_HASH
 ENV GIT_SHORT_HASH=$GIT_SHORT_HASH
 ENV GIT_BRANCH=$GIT_BRANCH
 
-CMD ["python3", "websocket_server_layer.py"]
+CMD ["python", "websocket_server_layer.py"]