diff --git a/doc/source/storlet_all_in_one.rst b/doc/source/storlet_all_in_one.rst
index c07f8c9f..8f47a75f 100644
--- a/doc/source/storlet_all_in_one.rst
+++ b/doc/source/storlet_all_in_one.rst
@@ -35,7 +35,7 @@ known issues
 2. The script takes a long time to run, and for most of the time it does not show progress. An alternative to executing *storlets_aio.sh* are the following steps. These would allow monitoring the progress of the ansible installation inside the VM.
 
  1. cd s2aio
- 2. export export ANSIBLE_HOST_KEY_CHECKING=False
+ 2. export ANSIBLE_HOST_KEY_CHECKING=False
  3. ansible-playbook -s -i swift_install.yml
  4. ansible-playbook -s -i prepare_storlets_install.yml
  5. ssh vagrant 192.168.10.2 (using 'vagrant' as password)
diff --git a/s2aio/storlets_aio.sh b/s2aio/storlets_aio.sh
index 9e8a8dc9..a5f555c6 100755
--- a/s2aio/storlets_aio.sh
+++ b/s2aio/storlets_aio.sh
@@ -1,2 +1,2 @@
-export export ANSIBLE_HOST_KEY_CHECKING=False
+export ANSIBLE_HOST_KEY_CHECKING=False
 ansible-playbook -s -i hosts storlets_aio.yml 
diff --git a/s2aio/ustorlets_aio.sh b/s2aio/ustorlets_aio.sh
index 02414951..3c5295bb 100755
--- a/s2aio/ustorlets_aio.sh
+++ b/s2aio/ustorlets_aio.sh
@@ -1,2 +1,2 @@
-export export ANSIBLE_HOST_KEY_CHECKING=False
+export ANSIBLE_HOST_KEY_CHECKING=False
 ansible-playbook -s -i hosts ustorlets_aio.yml