diff --git a/i18n/en.json b/i18n/en.json
index f77450b..bef6c73 100644
--- a/i18n/en.json
+++ b/i18n/en.json
@@ -29,6 +29,7 @@
   "arg-files-desc": "Filenames of files to upload.",
   "ask-login-username": "Enter your bot username (e.g. YourName@mwcli):",
   "ask-login-password": "Enter your bot password:",
+  "files-missing": "Please provide the '<files>...' argument (a list of files to upload).",
   "not-a-file": "Unable to upload non-file: $1",
   "option-comment-desc": "Revision comment.",
   "file-exists": "File already exists: $1",
diff --git a/src/Command/UploadFilesCommand.php b/src/Command/UploadFilesCommand.php
index bc26ccb..b1199b2 100644
--- a/src/Command/UploadFilesCommand.php
+++ b/src/Command/UploadFilesCommand.php
@@ -2,6 +2,7 @@
 
 namespace Samwilson\MediaWikiCLI\Command;
 
+use Addwiki\Mediawiki\Api\Client\Action\Exception\UsageException;
 use Addwiki\Mediawiki\Api\Client\Action\Request\ActionRequest;
 use Addwiki\Mediawiki\Api\Service\FileUploader;
 use Symfony\Component\Console\Command\Command;
@@ -74,9 +75,17 @@ public function execute( InputInterface $input, OutputInterface $output ) {
 			// Upload.
 			$pageText = '';
 			$comment = $input->getOption( 'comment' );
-			$uploaded = $uploader->upload( $fileTitle, $file, $pageText, $comment );
+			try {
+				$uploaded = $uploader->upload( $fileTitle, $file, $pageText, $comment );
+			} catch ( UsageException $e ) {
+				$this->io->error( 'Unable to upload ' . $filePath );
+				throw $e;
+			}
 			if ( $uploaded ) {
 				$this->io->success( $this->msg( 'file-uploaded-successfully', [ $filenameExistsInfo['canonicalurl'] ] ) );
+			} else {
+				// @todo After https://github.com/addwiki/addwiki/issues/86 is fixed, report actual issue.
+				$this->io->error( 'Unable to upload ' . $filePath );
 			}
 		}
 		return Command::SUCCESS;
diff --git a/src/Command/UploadPagesCommand.php b/src/Command/UploadPagesCommand.php
index 8d10640..2dbca1e 100644
--- a/src/Command/UploadPagesCommand.php
+++ b/src/Command/UploadPagesCommand.php
@@ -105,7 +105,8 @@ public function execute( InputInterface $input, OutputInterface $output ) {
 	public function import( $dir ) {
 		$topLevel = new DirectoryIterator( $dir );
 		foreach ( $topLevel as $file ) {
-			if ( $file->isDot() ) {
+			if ( $file->isDot() || str_starts_with( $file->getFilename(), '.' ) ) {
+				$this->io->writeln( 'Ignoring ' . $file->getPathname() );
 				continue;
 			}
 			if ( $file->isDir() ) {
@@ -155,9 +156,8 @@ protected function importPage( $filename ) {
 		try {
 			$result = $this->api->request( ActionRequest::simplePost( 'edit', $editParams ) );
 		} catch ( Exception $exception ) {
-			// Show the error, but carry on with other pages.
-			$this->io->error( $pageTitle . ' ' . $exception->getMessage() );
-			return;
+			$this->io->error( "Failed to upload $filename to $pageTitle" );
+			throw $exception;
 		}
 		if ( $result['edit']['result'] !== 'Success' ) {
 			$this->io->warning( $result['edit']['result'] );