diff --git a/example/freestyle.xml b/example/freestyle.xml
index 0f35857..affe919 100644
--- a/example/freestyle.xml
+++ b/example/freestyle.xml
@@ -1,4 +1,4 @@
-<project>
+<?xml version="1.1" encoding="UTF-8"?><project>
   <description>{{ .Parameters.description }}</description>
   <keepDependencies>false</keepDependencies>
   <properties/>
diff --git a/example/pipeline.xml b/example/pipeline.xml
index 562302a..7b17c9c 100644
--- a/example/pipeline.xml
+++ b/example/pipeline.xml
@@ -1,4 +1,4 @@
-<flow-definition plugin="workflow-job@2.25">
+<?xml version="1.1" encoding="UTF-8"?><flow-definition plugin="workflow-job@2.25">
 	<actions />
 	<description>{{ .Parameters.description }}</description>
 	<keepDependencies>false</keepDependencies>
diff --git a/jenkins/data_source_jenkins_job_test.go b/jenkins/data_source_jenkins_job_test.go
index a499c2b..c7f0250 100644
--- a/jenkins/data_source_jenkins_job_test.go
+++ b/jenkins/data_source_jenkins_job_test.go
@@ -19,20 +19,20 @@ func TestAccJenkinsJobDataSource_basic(t *testing.T) {
 		Steps: []resource.TestStep{
 			{
 				Config: fmt.Sprintf(`
-				resource jenkins_job foo {
-					name = "tf-acc-test-%s"
-					template = <<EOT
-				  `+string(xml)+`
-				  EOT
+resource jenkins_job foo {
+	name = "tf-acc-test-%s"
+	template = <<EOT
+`+string(xml)+`
+EOT
 
-					parameters = {
-						description = "Acceptance testing Jenkins provider"
-					}
-				}
+	parameters = {
+		description = "Acceptance testing Jenkins provider"
+	}
+}
 
-				data jenkins_job foo {
-					name = jenkins_job.foo.name
-				}`, randString),
+data jenkins_job foo {
+	name = jenkins_job.foo.name
+}`, randString),
 				Check: resource.ComposeTestCheckFunc(
 					resource.TestCheckResourceAttr("jenkins_job.foo", "id", "/job/tf-acc-test-"+randString),
 					resource.TestCheckResourceAttr("data.jenkins_job.foo", "id", "/job/tf-acc-test-"+randString),
@@ -53,26 +53,26 @@ func TestAccJenkinsJobDataSource_nested(t *testing.T) {
 		Steps: []resource.TestStep{
 			{
 				Config: fmt.Sprintf(`
-				resource jenkins_folder foo {
-					name = "tf-acc-test-%s"
-				}
+resource jenkins_folder foo {
+	name = "tf-acc-test-%s"
+}
 
-				resource jenkins_job sub {
-					name = "subfolder"
-					folder = jenkins_folder.foo.id
-					template = <<EOT
-				  `+string(xml)+`
-				  EOT
+resource jenkins_job sub {
+	name = "subfolder"
+	folder = jenkins_folder.foo.id
+	template = <<EOT
+`+string(xml)+`
+EOT
 
-					parameters = {
-						description = "Acceptance testing Jenkins provider"
-					}
-				}
+	parameters = {
+		description = "Acceptance testing Jenkins provider"
+	}
+}
 
-				data jenkins_job sub {
-					name = jenkins_job.sub.name
-					folder = jenkins_job.sub.folder
-				}`, randString),
+data jenkins_job sub {
+	name = jenkins_job.sub.name
+	folder = jenkins_job.sub.folder
+}`, randString),
 				Check: resource.ComposeTestCheckFunc(
 					resource.TestCheckResourceAttr("jenkins_folder.foo", "id", "/job/tf-acc-test-"+randString),
 					resource.TestCheckResourceAttr("jenkins_job.sub", "id", "/job/tf-acc-test-"+randString+"/job/subfolder"),
diff --git a/jenkins/resource_jenkins_job_test.go b/jenkins/resource_jenkins_job_test.go
index f23cf1c..63438da 100644
--- a/jenkins/resource_jenkins_job_test.go
+++ b/jenkins/resource_jenkins_job_test.go
@@ -26,16 +26,16 @@ func TestAccJenkinsJob_basic(t *testing.T) {
 		Steps: []resource.TestStep{
 			{
 				Config: fmt.Sprintf(`
-				resource jenkins_job foo {
-				  name = "tf-acc-test-%s"
-				  template = <<EOT
-				`+string(xml)+`
-				EOT
+resource jenkins_job foo {
+	name = "tf-acc-test-%s"
+	template = <<EOT
+`+string(xml)+`
+EOT
 
-				  parameters = {
-					  description = "Acceptance testing Jenkins provider"
-				  }
-				}`, randString),
+	parameters = {
+		description = "Acceptance testing Jenkins provider"
+	}
+}`, randString),
 				Check: resource.ComposeTestCheckFunc(
 					resource.TestCheckResourceAttr("jenkins_job.foo", "id", "/job/tf-acc-test-"+randString),
 					resource.TestCheckResourceAttr("jenkins_job.foo", "name", "tf-acc-test-"+randString),
@@ -56,22 +56,22 @@ func TestAccJenkinsJob_nested(t *testing.T) {
 		Steps: []resource.TestStep{
 			{
 				Config: fmt.Sprintf(`
-				resource jenkins_folder foo {
-					name = "tf-acc-test-%s"
-					description = "Terraform acceptance tests %s"
-				}
+resource jenkins_folder foo {
+	name = "tf-acc-test-%s"
+	description = "Terraform acceptance tests %s"
+}
 
-				resource jenkins_job sub {
-					name = "subfolder"
-					folder = jenkins_folder.foo.id
-					template = <<EOT
-				  `+string(xml)+`
-				  EOT
+resource jenkins_job sub {
+	name = "subfolder"
+	folder = jenkins_folder.foo.id
+	template = <<EOT
+`+string(xml)+`
+EOT
 
-					parameters = {
-						description = "Acceptance testing Jenkins provider"
-					}
-				}`, randString, randString),
+parameters = {
+	description = "Acceptance testing Jenkins provider"
+}
+}`, randString, randString),
 				Check: resource.ComposeTestCheckFunc(
 					resource.TestCheckResourceAttr("jenkins_folder.foo", "id", "/job/tf-acc-test-"+randString),
 					resource.TestCheckResourceAttr("jenkins_folder.foo", "name", "tf-acc-test-"+randString),
diff --git a/jenkins/resource_jenkins_job_test.xml b/jenkins/resource_jenkins_job_test.xml
index e95cbe4..a8da4de 100644
--- a/jenkins/resource_jenkins_job_test.xml
+++ b/jenkins/resource_jenkins_job_test.xml
@@ -1,4 +1,4 @@
-<flow-definition plugin="workflow-job@2.25">
+<?xml version="1.1" encoding="UTF-8"?><flow-definition plugin="workflow-job@2.25">
     <actions/>
     <description>{{ .Parameters.description }}</description>
     <keepDependencies>false</keepDependencies>
diff --git a/jenkins/template.go b/jenkins/template.go
index 91be1ca..c0c5c34 100644
--- a/jenkins/template.go
+++ b/jenkins/template.go
@@ -2,8 +2,8 @@ package jenkins
 
 import (
 	"bytes"
-	"html/template"
 	"log"
+	"text/template"
 
 	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema"
 )
diff --git a/jenkins/util.go b/jenkins/util.go
index 754a37d..3ebd3ec 100644
--- a/jenkins/util.go
+++ b/jenkins/util.go
@@ -4,6 +4,7 @@ import (
 	"context"
 	"fmt"
 	"log"
+	"regexp"
 	"strings"
 
 	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema"
@@ -78,10 +79,11 @@ func templateDiff(k, old, new string, d *schema.ResourceData) bool {
 	new, _ = renderTemplate(new, d)
 
 	// Sanitize the XML entries to prevent inadvertent inequalities
-	old = strings.Replace(old, "<?xml version=\"1.0\" encoding=\"UTF-8\"?>", "", -1)
+	re := regexp.MustCompile(`<\?xml.+\?>`)
+	old = re.ReplaceAllString(old, "")
 	old = strings.Replace(old, " ", "", -1)
 	old = strings.TrimSpace(old)
-	new = strings.Replace(new, "<?new version=\"1.0\" encoding=\"UTF-8\"?>", "", -1)
+	new = re.ReplaceAllString(new, "")
 	new = strings.Replace(new, " ", "", -1)
 	new = strings.TrimSpace(new)