diff --git a/cadquery/selectors.py b/cadquery/selectors.py
index 6b0a1093..ca9fb403 100644
--- a/cadquery/selectors.py
+++ b/cadquery/selectors.py
@@ -473,7 +473,8 @@ def _makeGrammar():
     rbracket = Literal(")")
     comma = Literal(",")
     vector = Combine(
-        lbracket + floatn("x") + comma + floatn("y") + comma + floatn("z") + rbracket
+        lbracket + floatn("x") + comma + floatn("y") + comma + floatn("z") + rbracket,
+        adjacent=False,
     )
 
     # direction definition