diff --git a/scapy/arch/__init__.py b/scapy/arch/__init__.py
index 9592cae7539cc1db6df08d0f1e3dce687960c3e0..577b20a9185a88390557431f24d2491eeed3b918 100644
--- a/scapy/arch/__init__.py
+++ b/scapy/arch/__init__.py
@@ -20,7 +20,7 @@ try:
         MATPLOTLIB_INLINED = 1
     else:
         MATPLOTLIB_INLINED = 0
-    MATPLOTLIB_DEFAULT_PLOT_KARGS = { "color": "r", "marker": "+", "ls": "" }
+    MATPLOTLIB_DEFAULT_PLOT_KARGS = {"marker": "+"}
 except ImportError:
     plt = None
     MATPLOTLIB = 0