diff --git a/includes/migration/class-fs-migration-endpoint-abstract.php b/includes/migration/class-fs-migration-endpoint-abstract.php
index 0ea313e..343051f 100644
--- a/includes/migration/class-fs-migration-endpoint-abstract.php
+++ b/includes/migration/class-fs-migration-endpoint-abstract.php
@@ -637,9 +637,15 @@ protected function validate_all_params() {
 				'language',
 				'charset',
 				'platform_version',
-				'php_version',
 			) );
 
+			if ( ! isset( $this->_request_data[ 'php_version' ] ) &&
+			     ! isset( $this->_request_data[ 'programming_language_version' ] )
+			) {
+				$this->require_params( array( 'programming_language_version' ) );
+			}
+
+
 			$this->require_non_empty_params( array(
 				// License key.
 				'license_key',
@@ -970,4 +976,4 @@ abstract protected function local_to_remote_module( $local_module );
 		 * @throws FS_Endpoint_Exception
 		 */
 		abstract protected function migrate_install_license();
-	}
\ No newline at end of file
+	}
diff --git a/includes/migration/wc/class-fs-wc-migration.php b/includes/migration/wc/class-fs-wc-migration.php
index 80d5c65..4e3d071 100644
--- a/includes/migration/wc/class-fs-wc-migration.php
+++ b/includes/migration/wc/class-fs-wc-migration.php
@@ -704,7 +704,9 @@ protected function get_install_for_api( $license_id ) {
 			$install['language']                     = $this->_edd_install_data['language'];
 			$install['charset']                      = $this->_edd_install_data['charset'];
 			$install['platform_version']             = $this->_edd_install_data['platform_version'];
-			$install['programming_language_version'] = $this->_edd_install_data['php_version'];
+			$install['programming_language_version'] = !empty($this->_edd_install_data['php_version']) ?
+				$this->_edd_install_data['php_version'] :
+				$this->_edd_install_data['programming_language_version'];
 			$install['license_id']                   = $license_id;
 
 			$install_at = $this->ep->order->_purchase_time;