diff --git a/tfexec/destroy.go b/tfexec/destroy.go
index 70cbf7a7..2f37c192 100644
--- a/tfexec/destroy.go
+++ b/tfexec/destroy.go
@@ -97,7 +97,7 @@ func (tf *Terraform) destroyCmd(ctx context.Context, opts ...DestroyOption) *exe
 		o.configureDestroy(&c)
 	}
 
-	args := []string{"destroy", "-no-color", "-auto-approve"}
+	args := []string{"destroy", "-no-color", "-auto-approve", "-input=false"}
 
 	// string opts: only pass if set
 	if c.backup != "" {
diff --git a/tfexec/destroy_test.go b/tfexec/destroy_test.go
index d6635ba9..9bfd576e 100644
--- a/tfexec/destroy_test.go
+++ b/tfexec/destroy_test.go
@@ -21,7 +21,7 @@ func TestDestroyCmd(t *testing.T) {
 
 	actual := strings.TrimPrefix(cmdString(destroyCmd), destroyCmd.Path+" ")
 
-	expected := "destroy -no-color -auto-approve -lock-timeout=0s -lock=true -parallelism=10 -refresh=true"
+	expected := "destroy -no-color -auto-approve -input=false -lock-timeout=0s -lock=true -parallelism=10 -refresh=true"
 
 	if actual != expected {
 		t.Fatalf("expected default arguments of DestroyCmd:\n%s\n actual arguments:\n%s\n", expected, actual)
@@ -32,7 +32,7 @@ func TestDestroyCmd(t *testing.T) {
 
 	actual = strings.TrimPrefix(cmdString(destroyCmd), destroyCmd.Path+" ")
 
-	expected = "destroy -no-color -auto-approve -backup=testbackup -lock-timeout=200s -state=teststate -state-out=teststateout -var-file=testvarfile -lock=false -parallelism=99 -refresh=false -target=target1 -target=target2 -var 'var1=foo' -var 'var2=bar'"
+	expected = "destroy -no-color -auto-approve -input=false -backup=testbackup -lock-timeout=200s -state=teststate -state-out=teststateout -var-file=testvarfile -lock=false -parallelism=99 -refresh=false -target=target1 -target=target2 -var 'var1=foo' -var 'var2=bar'"
 
 	if actual != expected {
 		t.Fatalf("expected arguments of DestroyCmd:\n%s\n actual arguments:\n%s\n", expected, actual)
diff --git a/tfexec/terraform_cmd.go b/tfexec/terraform_cmd.go
index 3c18e040..7946069e 100644
--- a/tfexec/terraform_cmd.go
+++ b/tfexec/terraform_cmd.go
@@ -10,6 +10,9 @@ import (
 const (
 	checkpointDisableEnvVar = "CHECKPOINT_DISABLE"
 	logEnvVar               = "TF_LOG"
+	inputEnvVar             = "TF_INPUT"
+	automationEnvVar        = "TF_IN_AUTOMATION"
+	logPathEnvVar           = "TF_LOG_PATH"
 
 	varEnvVarPrefix = "TF_VAR_"
 )
@@ -18,6 +21,9 @@ const (
 // passed explicitly via SetEnv and are also elided when already existing
 // in the current environment.
 var prohibitedEnvVars = []string{
+	inputEnvVar,
+	automationEnvVar,
+	logPathEnvVar,
 	logEnvVar,
 }
 
@@ -60,6 +66,7 @@ func (tf *Terraform) buildEnv() []string {
 	}
 
 	menv[logEnvVar] = "" // so logging can't pollute our stderr output
+	menv[automationEnvVar] = "1"
 
 	env := []string{}
 	for k, v := range menv {
diff --git a/tfexec/terraform_test.go b/tfexec/terraform_test.go
index 699f2b0c..52379cde 100644
--- a/tfexec/terraform_test.go
+++ b/tfexec/terraform_test.go
@@ -86,7 +86,7 @@ func TestCheckpointDisablePropagation(t *testing.T) {
 		"FOOBAR": "1",
 	})
 	initCmd := tf.initCmd(context.Background())
-	expected := []string{"CHECKPOINT_DISABLE=1", "FOOBAR=1", "TF_LOG="}
+	expected := []string{"CHECKPOINT_DISABLE=1", "FOOBAR=1", "TF_IN_AUTOMATION=1", "TF_LOG=", "TF_LOG_PATH="}
 	s := initCmd.Env
 	sort.Strings(s)
 	actual := s
@@ -104,7 +104,7 @@ func TestCheckpointDisablePropagation(t *testing.T) {
 		t.Fatal(err)
 	}
 	initCmd = tf.initCmd(context.Background())
-	expected = []string{"CHECKPOINT_DISABLE=", "FOOBAR=1", "TF_LOG="}
+	expected = []string{"CHECKPOINT_DISABLE=", "FOOBAR=1", "TF_IN_AUTOMATION=1", "TF_LOG=", "TF_LOG_PATH="}
 	s = initCmd.Env
 	sort.Strings(s)
 	actual = s