diff --git a/deploy_stack.armhf.sh b/deploy_stack.armhf.sh
index e9fcdedb..b8b0aef5 100755
--- a/deploy_stack.armhf.sh
+++ b/deploy_stack.armhf.sh
@@ -1,4 +1,9 @@
 #!/bin/sh
 
+if ! [ -x "$(command -v docker)" ]; then
+  echo 'Unable to find docker command, please install Docker (https://www.docker.com/) and retry' >&2
+  exit 1
+fi
+
 echo "Deploying stack"
 docker stack deploy func --compose-file docker-compose.armhf.yml
diff --git a/deploy_stack.sh b/deploy_stack.sh
index ff8187f9..aaea8aa1 100755
--- a/deploy_stack.sh
+++ b/deploy_stack.sh
@@ -1,5 +1,10 @@
 #!/bin/sh
 
+if ! [ -x "$(command -v docker)" ]; then
+  echo 'Unable to find docker command, please install Docker (https://www.docker.com/) and retry' >&2
+  exit 1
+fi
+
 echo "Deploying stack"
 docker stack deploy func --compose-file docker-compose.yml