diff --git a/.changelog/6404.txt b/.changelog/6404.txt
new file mode 100644
index 00000000000..d1d46646007
--- /dev/null
+++ b/.changelog/6404.txt
@@ -0,0 +1,3 @@
+```release-note:bug
+compute: Fixed permadiff for `instance_termination_action` in `google_compute_instance_template`
+```
diff --git a/google/resource_compute_instance_template.go b/google/resource_compute_instance_template.go
index 4e9feaf467c..cf6bf6825ee 100644
--- a/google/resource_compute_instance_template.go
+++ b/google/resource_compute_instance_template.go
@@ -514,6 +514,7 @@ func resourceComputeInstanceTemplate() *schema.Resource {
 						"instance_termination_action": {
 							Type:         schema.TypeString,
 							Optional:     true,
+							ForceNew:     true,
 							AtLeastOneOf: schedulingInstTemplateKeys,
 							Description:  `Specifies the action GCE should take when SPOT VM is preempted.`,
 						},