diff --git a/doc/source/user/howto.rst b/doc/source/user/howto.rst
index 233750dde..b8e6f851c 100644
--- a/doc/source/user/howto.rst
+++ b/doc/source/user/howto.rst
@@ -15,7 +15,7 @@ environment variables:
 For your ease of use, ``env-vars`` can be sourced to allow the CLI to connect
 to a local ironic installation operating in noauth mode. Run e.g.::
 
-  source env-vars
+  . env-vars
   ironic node-list
   +------+------+---------------+-------------+--------------------+-------------+
   | UUID | Name | Instance UUID | Power State | Provisioning State | Maintenance |
diff --git a/scripts/env-setup.sh b/scripts/env-setup.sh
index ba96931ba..3afbd8e86 100755
--- a/scripts/env-setup.sh
+++ b/scripts/env-setup.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 set -eu
 
-source $(dirname $0)/install-deps.sh
+. $(dirname $0)/install-deps.sh
 # NOTE(pas-ha) the above exports some useful variables like
 # $PYTHON , $PIP and $VENV depending on venv install or not
 
diff --git a/scripts/install-deps.sh b/scripts/install-deps.sh
index d0ff265cf..3de7a8e7a 100644
--- a/scripts/install-deps.sh
+++ b/scripts/install-deps.sh
@@ -129,7 +129,7 @@ if [ -n "${VENV-}" ]; then
     # Note(cinerama): activate is not compatible with "set -u";
     # disable it just for this line.
     set +u
-    source ${VENV}/bin/activate
+    . ${VENV}/bin/activate
     set -u
     VIRTUAL_ENV=${VENV}
 else