diff --git a/tools/Python/mcdisplay/webgl-classic/mcdisplay.py b/tools/Python/mcdisplay/webgl-classic/mcdisplay.py
index bb8c51c24..f499c3db7 100755
--- a/tools/Python/mcdisplay/webgl-classic/mcdisplay.py
+++ b/tools/Python/mcdisplay/webgl-classic/mcdisplay.py
@@ -185,7 +185,7 @@ def main(instr=None, dirname=None, debug=None, n=None, **kwds):
     parser.add_argument('--first', help='zoom range first component')
     parser.add_argument('--last', help='zoom range last component')
     parser.add_argument('-n', '--ncount', dest='n', type=float, default=300, help='Number of particles to simulate')
-    parser.add_argument('-t', '--trace', dest='trace', type=int, default=2, help='Select visualization mode')
+    parser.add_argument('-t', '--trace', dest='trace', type=int, default=1, help='Select visualization mode')
 
     args, unknown = parser.parse_known_args()
     # Convert the defined arguments in the args Namespace structure to a dict