diff --git a/.tests/get-modules.sh b/.tests/get-modules.sh
index 20ee705b..321e7ee7 100755
--- a/.tests/get-modules.sh
+++ b/.tests/get-modules.sh
@@ -345,7 +345,7 @@ MODS="$( echo "${PHP52_MODS}, ${PHP53_MODS}, ${PHP54_MODS}, ${PHP55_MODS}, ${PHP
 ###
 ### Get disabled modules
 ###
-DISABLED=",ioncube,$( grep -E '^PHP_MODULES_DISABLE=' "${SCRIPTPATH}/../env-example" | sed 's/.*=//g' ),"
+DISABLED=",blackfire,ioncube,$( grep -E '^PHP_MODULES_DISABLE=' "${SCRIPTPATH}/../env-example" | sed 's/.*=//g' ),"
 #echo $DISABLED
 B="✔"  # Enabled base modules (cannot be disabled)
 E="🗸"  # Enabled mods modules (can be disabled)
diff --git a/docs/configuration-files/env-file.rst b/docs/configuration-files/env-file.rst
index 2c085eb1..408bc88c 100644
--- a/docs/configuration-files/env-file.rst
+++ b/docs/configuration-files/env-file.rst
@@ -1183,7 +1183,7 @@ Enable any non-standard PHP modules in a comma separated list.
 +------------------------+--------------------------------------+------------------+
 
 .. note::
-   Currently only ``ioncube`` is available to enable.
+   Currently only ``ioncube`` and ``blackfire`` are available to enable.
 
 Example:
 
@@ -1194,6 +1194,33 @@ Example:
    # Enable ionCube
    PHP_MODULES_ENABLE=ioncube
 
+   # When enabling blackfire or ionCube you must also disable xdebug:
+   # https://xdebug.org/docs/install#compat
+   PHP_MODULES_DISABLE=xdebug
+
+.. code-block:: bash
+   :caption: .env
+   :emphasize-lines: 2
+
+   # Enable blackfire
+   PHP_MODULES_ENABLE=blackfire
+
+   # When enabling blackfire or ionCube you must also disable xdebug:
+   # https://xdebug.org/docs/install#compat
+   PHP_MODULES_DISABLE=xdebug
+
+.. code-block:: bash
+   :caption: .env
+   :emphasize-lines: 2
+
+   # Enable both, blackfire and ionCube
+   PHP_MODULES_ENABLE=blackfire,ioncube
+
+   # When enabling blackfire or ionCube you must also disable xdebug:
+   # https://xdebug.org/docs/install#compat
+   PHP_MODULES_DISABLE=xdebug
+
+
 .. _env_file_php_modules_disable:
 
 PHP_MODULES_DISABLE
@@ -1201,11 +1228,11 @@ PHP_MODULES_DISABLE
 
 Disable any PHP modules in a comma separated list.
 
-+-------------------------+--------------------------------------+-------------------------------------------------------------+
-| Name                    | Allowed values                       | Default value                                               |
-+=========================+======================================+=============================================================+
-| ``PHP_MODULES_DISABLE`` | comma separated list of module names | ``blackfire,oci8,PDO_OCI,pdo_sqlsrv,sqlsrv,rdkafka,swoole`` |
-+-------------------------+--------------------------------------+-------------------------------------------------------------+
++-------------------------+--------------------------------------+---------------------------------------------------+
+| Name                    | Allowed values                       | Default value                                     |
++=========================+======================================+===================================================+
+| ``PHP_MODULES_DISABLE`` | comma separated list of module names | ``oci8,PDO_OCI,pdo_sqlsrv,sqlsrv,rdkafka,swoole`` |
++-------------------------+--------------------------------------+---------------------------------------------------+
 
 Example:
 
diff --git a/env-example b/env-example
index 3598f276..8b3e3683 100644
--- a/env-example
+++ b/env-example
@@ -458,9 +458,11 @@ HOST_PATH_MONGO_DATADIR=./data/mongo
 ###
 ### Enable certain PHP modules which are not enabled by default
 ###
-### Currently the only module that can be enabled is 'ioncube'
+### Currently the only modules that can be enabled are 'ioncube' and 'blackfire'
+### Also ensure to disable xdebug when using any of the above:
+### https://xdebug.org/docs/install#compat
 ###
-### PHP_MODULES_ENABLE=ioncube
+### PHP_MODULES_ENABLE=ioncube, blackfire
 ###
 PHP_MODULES_ENABLE=
 
@@ -472,7 +474,7 @@ PHP_MODULES_ENABLE=
 ###
 ### PHP_MODULES_DISABLE=xdebug,imagick,swoole
 ###
-PHP_MODULES_DISABLE=blackfire,oci8,PDO_OCI,pdo_sqlsrv,sqlsrv,rdkafka,swoole
+PHP_MODULES_DISABLE=oci8,PDO_OCI,pdo_sqlsrv,sqlsrv,rdkafka,swoole
 
 
 ###