diff --git a/src/PearsonCorrelationMatch.jl b/src/PearsonCorrelationMatch.jl
index 943f115..dd90e4d 100644
--- a/src/PearsonCorrelationMatch.jl
+++ b/src/PearsonCorrelationMatch.jl
@@ -31,20 +31,21 @@ using Distributions: Distributions
         E = Distributions.Beta(5, 3)
         F = Distributions.Binomial(100, 0.3)
         G = Distributions.NegativeBinomial(20)
-        margins = [D, E, F, G]
 
         @compile_workload begin
             pearson_bounds(D, E)
             pearson_bounds(D, F)
             pearson_bounds(G, D)
             pearson_bounds(F, G)
-            pearson_bounds(margins)
+            pearson_bounds([D, E, F, G])
+            pearson_bounds((D, E, F, G))
 
             pearson_match(p, D, E)
             pearson_match(p, D, F)
             pearson_match(p, G, D)
             pearson_match(p, F, G)
             pearson_match([1.0 0.5; 0.5 1.0], [E, G])
+            pearson_match([1.0 0.5; 0.5 1.0], (E, G))
         end
     end
 end