diff --git a/src/TidierData.jl b/src/TidierData.jl
index 154ed22d..ce5af439 100644
--- a/src/TidierData.jl
+++ b/src/TidierData.jl
@@ -23,6 +23,9 @@ export TidierData_set, across, desc, n, row_number, starts_with, ends_with, matc
 const code = Ref{Bool}(false) # output DataFrames.jl code?
 const log = Ref{Bool}(false) # output tidylog output? (not yet implemented)
 
+# Expose the global do-not-vectorize "list"
+const not_vectorized = Ref{Vector{Symbol}}([:Ref, :Set, :Cols, :(:), :∘, :lag, :lead, :ntile, :repeat, :across, :desc, :mean, :std, :var, :median, :first, :last, :minimum, :maximum, :sum, :length, :skipmissing, :quantile, :passmissing, :cumsum, :cumprod, :accumulate])
+
 # Includes
 include("docstrings.jl")
 include("parsing.jl")
diff --git a/src/parsing.jl b/src/parsing.jl
index 3fc2c809..67861b5d 100644
--- a/src/parsing.jl
+++ b/src/parsing.jl
@@ -307,7 +307,7 @@ function parse_autovec(tidy_expr::Union{Expr,Symbol})
     elseif @capture(x, fn_(args__))
       # This is the do-not-vectorize "list"
       # `in` should be vectorized so do not add to this exclusion list
-      if fn in [:Ref :Set :Cols :(:) :∘ :lag :lead :ntile :repeat :across :desc :mean :std :var :median :first :last :minimum :maximum :sum :length :skipmissing :quantile :passmissing :cumsum :cumprod :accumulate]
+      if fn in not_vectorized[]
         return x
       elseif contains(string(fn), r"[^\W0-9]\w*$") # valid variable name
         return :($fn.($(args...)))