diff --git a/features/user-import-csv.feature b/features/user-import-csv.feature
index a0098e6f3..802ffb92e 100644
--- a/features/user-import-csv.feature
+++ b/features/user-import-csv.feature
@@ -140,7 +140,6 @@ Feature: Import users from CSV
       | Bob Jones         | contributor          |
       | Bill Jones        | administrator,author |
 
-  @broken
   Scenario: Importing users from STDIN
     Given a WP install
     And a users.csv file:
diff --git a/src/User_Command.php b/src/User_Command.php
index 461d6bd4b..59d6f3d34 100644
--- a/src/User_Command.php
+++ b/src/User_Command.php
@@ -1150,6 +1150,10 @@ public function import_csv( $args, $assoc_args ) {
 
 				$csv_data[] = $data;
 			}
+
+			if ( empty( $indexes ) && empty( $csv_data ) ) {
+				WP_CLI::error( 'Unable to read content from STDIN.' );
+			}
 		} else {
 			$csv_data = new CsvIterator( $filename );
 		}