diff --git a/azurerm/internal/services/eventhub/eventhub_namespace_authorization_rule_resource.go b/azurerm/internal/services/eventhub/eventhub_namespace_authorization_rule_resource.go
index e75a340e7fa2..2a23e4c780a9 100644
--- a/azurerm/internal/services/eventhub/eventhub_namespace_authorization_rule_resource.go
+++ b/azurerm/internal/services/eventhub/eventhub_namespace_authorization_rule_resource.go
@@ -120,6 +120,12 @@ func resourceArmEventHubNamespaceAuthorizationRuleRead(d *schema.ResourceData, m
 	}
 
 	name := id.Path["authorizationRules"]
+	// The resource id is made of `authorizationRules` in newer API version. However, it is made of `AuthorizationRules` in older API version.
+	// Hence currently it would fail to parse resource id with `AuthorizationRules` for older one.
+	// So here it has to be compatible with both new version and old version.
+	if name == "" {
+		name = id.Path["AuthorizationRules"]
+	}
 	resourceGroup := id.ResourceGroup
 	namespaceName := id.Path["namespaces"]
 
@@ -169,6 +175,12 @@ func resourceArmEventHubNamespaceAuthorizationRuleDelete(d *schema.ResourceData,
 	}
 
 	name := id.Path["authorizationRules"]
+	// The resource id is made of `authorizationRules` in newer API version. However, it is made of `AuthorizationRules` in older API version.
+	// Hence currently it would fail to parse resource id with `AuthorizationRules` for older one.
+	// So here it has to be compatible with both new version and old version.
+	if name == "" {
+		name = id.Path["AuthorizationRules"]
+	}
 	resourceGroup := id.ResourceGroup
 	namespaceName := id.Path["namespaces"]