diff --git a/azurerm/internal/services/cdn/resource_arm_cdn_endpoint.go b/azurerm/internal/services/cdn/resource_arm_cdn_endpoint.go
index 2572d5fe4412..4888a50b2686 100644
--- a/azurerm/internal/services/cdn/resource_arm_cdn_endpoint.go
+++ b/azurerm/internal/services/cdn/resource_arm_cdn_endpoint.go
@@ -58,8 +58,7 @@ func resourceArmCdnEndpoint() *schema.Resource {
 
 			"origin_host_header": {
 				Type:     schema.TypeString,
-				Optional: true,
-				Computed: true,
+				Required: true,
 			},
 
 			"is_http_allowed": {
diff --git a/azurerm/internal/services/cdn/tests/resource_arm_cdn_endpoint_test.go b/azurerm/internal/services/cdn/tests/resource_arm_cdn_endpoint_test.go
index fcaa06f29257..dece9b0f7f08 100644
--- a/azurerm/internal/services/cdn/tests/resource_arm_cdn_endpoint_test.go
+++ b/azurerm/internal/services/cdn/tests/resource_arm_cdn_endpoint_test.go
@@ -455,6 +455,8 @@ resource "azurerm_cdn_endpoint" "test" {
   location            = azurerm_resource_group.test.location
   resource_group_name = azurerm_resource_group.test.name
 
+  origin_host_header = "www.example.com"
+
   origin {
     name       = "acceptanceTestCdnOrigin1"
     host_name  = "www.example.com"
@@ -476,6 +478,8 @@ resource "azurerm_cdn_endpoint" "import" {
   location            = azurerm_cdn_endpoint.test.location
   resource_group_name = azurerm_cdn_endpoint.test.resource_group_name
 
+  origin_host_header = "www.example.com"
+
   origin {
     name       = "acceptanceTestCdnOrigin1"
     host_name  = "www.example.com"
@@ -550,6 +554,8 @@ resource "azurerm_cdn_endpoint" "test" {
   location            = azurerm_resource_group.test.location
   resource_group_name = azurerm_resource_group.test.name
 
+  origin_host_header = "www.example.com"
+
   origin {
     name       = "acceptanceTestCdnOrigin2"
     host_name  = "www.example.com"
@@ -589,6 +595,8 @@ resource "azurerm_cdn_endpoint" "test" {
   location            = azurerm_resource_group.test.location
   resource_group_name = azurerm_resource_group.test.name
 
+  origin_host_header = "www.example.com"
+
   origin {
     name       = "acceptanceTestCdnOrigin2"
     host_name  = "www.example.com"
@@ -631,6 +639,8 @@ resource "azurerm_cdn_endpoint" "test" {
   origin_path         = "/origin-path"
   probe_path          = "/origin-path/probe"
 
+  origin_host_header = "www.example.com"
+
   origin {
     name       = "acceptanceTestCdnOrigin1"
     host_name  = "www.example.com"
@@ -680,6 +690,8 @@ resource "azurerm_cdn_endpoint" "test" {
   is_https_allowed    = true
   optimization_type   = "GeneralWebDelivery"
 
+  origin_host_header = "www.example.com"
+
   origin {
     name       = "acceptanceTestCdnOrigin1"
     host_name  = "www.example.com"
@@ -769,6 +781,8 @@ resource "azurerm_cdn_endpoint" "test" {
   is_http_allowed     = %s
   is_https_allowed    = %s
 
+  origin_host_header = "www.example.com"
+
   origin {
     name       = "acceptanceTestCdnOrigin1"
     host_name  = "www.example.com"
diff --git a/website/docs/r/cdn_endpoint.html.markdown b/website/docs/r/cdn_endpoint.html.markdown
index e75d1d2b295b..fbc2e3af9ca9 100644
--- a/website/docs/r/cdn_endpoint.html.markdown
+++ b/website/docs/r/cdn_endpoint.html.markdown
@@ -31,6 +31,8 @@ resource "azurerm_cdn_endpoint" "example" {
   location            = azurerm_resource_group.example.location
   resource_group_name = azurerm_resource_group.example.name
 
+  origin_host_header = "www.example.com"
+
   origin {
     name      = "example"
     host_name = "www.example.com"
@@ -66,7 +68,7 @@ The following arguments are supported:
 
 * `origin` - (Required) The set of origins of the CDN endpoint. When multiple origins exist, the first origin will be used as primary and rest will be used as failover options. Each `origin` block supports fields documented below.
 
-* `origin_host_header` - (Optional) The host header CDN provider will send along with content requests to origins. Defaults to the host name of the origin.
+* `origin_host_header` - (Required) The host header CDN provider will send along with content requests to origins. Defaults to the host name of the origin.
 
 * `origin_path` - (Optional) The path used at for origin requests.