diff --git a/tff b/tff
index b980c15d5210028341177c09b6cc8901cb1ed267..86fc73c5f9578b015778be8bbaae5f0d1040efe6 100755
--- a/tff
+++ b/tff
@@ -1,6 +1,8 @@
 #!/bin/sh
 set -eu
 
+[ -z "${DEBUG:-}" ] || set -x
+
 command -v terraform >/dev/null || { echo "Can't find the terraform binary, aborting." >&2; exit 1; }
 
 version="$(terraform version | sed --silent 's/Terraform v\([0-9]*\)\.\([0-9]*\)\.[0-9]*$/\1.\2/p')"
diff --git a/tfv b/tfv
index f0ae3943148cebbb83e44cee30e2fedff30b4d53..bf32b84578219418b86818475e4a1573df098820 100755
--- a/tfv
+++ b/tfv
@@ -1,6 +1,8 @@
 #!/bin/sh
 set -eu
 
+[ -z "${DEBUG:-}" ] || set -x
+
 command -v terraform >/dev/null || { echo "Can't find the terraform binary, aborting." >&2; exit 1; }
 
 export TF_INPUT='0'