diff --git a/plotter.py b/plotter.py
index df9a782..52b196c 100644
--- a/plotter.py
+++ b/plotter.py
@@ -1690,7 +1690,7 @@ class Plotter(Aggregator, BaseProcessor):
             if field in ["g", "vel"]:
                 # Components
                 for i, dir in enumerate(["x", "y", "z"]):
-                    generic_rule(field + "x")
+                    generic_rule(field + dir)
 
                 # Radial
                 generic_rule(field + "r")