diff --git a/README.md b/README.md
index 666e53d56..d0e781906 100644
--- a/README.md
+++ b/README.md
@@ -76,7 +76,7 @@ This guide will get you up and running in a few minutes.
 To get started quickly with IronFunctions, just fire up an `iron/functions` container:
 
 ```sh
-docker run --rm -it --name functions --privileged -v $PWD/data:/app/data -p 8080:8080 iron/functions
+docker run --rm -it --name functions --privileged -v ${pwd}/data:/app/data -p 8080:8080 iron/functions
 ```
 
 This will start IronFunctions in single server mode, using an embedded database and message queue. You can find all the
diff --git a/docs/operating/windows.md b/docs/operating/windows.md
index 830376deb..f81530c53 100644
--- a/docs/operating/windows.md
+++ b/docs/operating/windows.md
@@ -3,7 +3,7 @@
 Windows doesn't support Docker in Docker so you'll change the run command to the following:
 
 ```sh
-docker run --rm --name functions -it -v /var/run/docker.sock:/var/run/docker.sock -v $PWD/data:/app/data -p 8080:8080 iron/functions
+docker run --rm --name functions -it -v /var/run/docker.sock:/var/run/docker.sock -v ${pwd}/data:/app/data -p 8080:8080 iron/functions
 ```
 
 Then everything should work as normal. 
diff --git a/docs/packaging.md b/docs/packaging.md
index 9f0a3189c..b1286e707 100644
--- a/docs/packaging.md
+++ b/docs/packaging.md
@@ -35,7 +35,7 @@ ENTRYPOINT ["./funcbin"]
 Then you simply build your function:
 
 ```sh
-docker run --rm -v "$PWD":/go/src/$FUNCPKG -w /go/src/$FUNCPKG iron/go:dev go build -o funcbin
+docker run --rm -v ${pwd}:/go/src/$FUNCPKG -w /go/src/$FUNCPKG iron/go:dev go build -o funcbin
 docker build -t $USERNAME/myfunction .
 ```
 
diff --git a/examples/hello/ruby/README.md b/examples/hello/ruby/README.md
index 7dc307d3e..cdbe579a7 100644
--- a/examples/hello/ruby/README.md
+++ b/examples/hello/ruby/README.md
@@ -6,7 +6,7 @@ This example will show you how to test and deploy a Ruby function to IronFunctio
 # create your func.yaml file
 fn init <YOUR_DOCKERHUB_USERNAME>/hello
 # install dependencies, we need the json gem to run this
-docker run --rm -v "$PWD":/worker -w /worker iron/ruby:dev bundle install --standalone --clean
+docker run --rm -it -v ${pwd}:/worker -w /worker iron/ruby:dev bundle install --standalone --clean
 # build the function
 fn build
 # test it
@@ -24,7 +24,7 @@ Now surf to: http://localhost:8080/r/myapp/hello
 Create a [Gemfile](http://bundler.io/gemfile.html) file in your function directory, then run:
 
 ```sh
-docker run --rm -v "$PWD":/worker -w /worker iron/ruby:dev bundle install --standalone --clean
+docker run --rm -it -v ${pwd}:/worker -w /worker iron/ruby:dev bundle install --standalone --clean
 ```
 
 Ruby doesn't pick up the gems automatically, so you'll have to add this to the top of your `func.rb` file:
@@ -38,7 +38,7 @@ Open `func.rb` to see it in action.
 To update dependencies:
 
 ```sh
-docker run --rm -v "$PWD":/worker -w /worker iron/ruby:dev bundle update
+docker run --rm -it -v ${pwd}:/worker -w /worker iron/ruby:dev bundle update
 # then install again to vendor them
-docker run --rm -v "$PWD":/worker -w /worker iron/ruby:dev bundle update
+docker run --rm -it -v ${pwd}:/worker -w /worker iron/ruby:dev bundle update
 ```