diff --git a/src/logging.c b/src/logging.c
index 82a6e89..c288624 100644
--- a/src/logging.c
+++ b/src/logging.c
@@ -893,8 +893,8 @@ void nwipe_log_summary( nwipe_context_t** ptr, int nwipe_selected )
         /* Create the PDF report/certificate */
         if( strcmp( nwipe_options.PDFreportpath, "noPDF" ) != 0 )
         {
-	    /* to have some progress indication. can help if there are many/slow disks */
-	    fprintf( stderr, "." );
+            /* to have some progress indication. can help if there are many/slow disks */
+            fprintf( stderr, "." );
             create_pdf( c[i] );
         }
     }