diff --git a/azurerm/internal/services/kusto/kusto_eventhub_data_connection_resource.go b/azurerm/internal/services/kusto/kusto_eventhub_data_connection_resource.go
index 4750933a4b5a..cecb14e8ee8b 100644
--- a/azurerm/internal/services/kusto/kusto_eventhub_data_connection_resource.go
+++ b/azurerm/internal/services/kusto/kusto_eventhub_data_connection_resource.go
@@ -115,6 +115,7 @@ func resourceKustoEventHubDataConnection() *pluginsdk.Resource {
 				Type:     pluginsdk.TypeString,
 				Optional: true,
 				ValidateFunc: validation.StringInSlice([]string{
+					string(kusto.APACHEAVRO),
 					string(kusto.AVRO),
 					string(kusto.CSV),
 					string(kusto.JSON),
diff --git a/website/docs/r/kusto_eventhub_data_connection.html.markdown b/website/docs/r/kusto_eventhub_data_connection.html.markdown
index c946420419df..7b36fdd824d6 100644
--- a/website/docs/r/kusto_eventhub_data_connection.html.markdown
+++ b/website/docs/r/kusto_eventhub_data_connection.html.markdown
@@ -103,7 +103,7 @@ The following arguments are supported:
 
 * `mapping_rule_name` - (Optional) Specifies the mapping rule used for the message ingestion. Mapping rule must exist before resource is created.
 
-* `data_format` - (Optional) Specifies the data format of the EventHub messages. Allowed values: `AVRO`, `CSV`, `JSON`, `MULTIJSON`, `PSV`, `RAW`, `SCSV`, `SINGLEJSON`, `SOHSV`, `TSV` and `TXT`
+* `data_format` - (Optional) Specifies the data format of the EventHub messages. Allowed values: `APACHEAVRO`, `AVRO`, `CSV`, `JSON`, `MULTIJSON`, `PSV`, `RAW`, `SCSV`, `SINGLEJSON`, `SOHSV`, `TSV` and `TXT`
 
 ## Attributes Reference