diff --git a/README.md b/README.md
index bead61f68..637d66b82 100644
--- a/README.md
+++ b/README.md
@@ -372,7 +372,14 @@ Example:
            --no-color
            -e aws-s3-enable-bucket-logging,aws-s3-specify-public-access-block
     ```
+4. Like terraform_tflint, `__GIT_WORKING_DIR__` can be used when specifying files relative to the git working directory:
 
+Example:
+
+    ```yaml
+    - id: terraform_tfsec
+      args: [--args=--config-file=__GIT_WORKING_DIR__/.tfsec.json]
+    ```
 
 ### terraform_validate
 
diff --git a/terraform_tfsec.sh b/terraform_tfsec.sh
index c742f3215..0dc01fe10 100755
--- a/terraform_tfsec.sh
+++ b/terraform_tfsec.sh
@@ -54,7 +54,8 @@ parse_cmdline_() {
     case $argv in
       -a | --args)
         shift
-        ARGS+=("$1")
+        expanded_arg="${1//__GIT_WORKING_DIR__/$PWD}"
+        ARGS+=("$expanded_arg")
         shift
         ;;
       --)