diff --git a/test/rank.jl b/test/rank.jl
index d9e582f..b0c7c79 100644
--- a/test/rank.jl
+++ b/test/rank.jl
@@ -15,7 +15,9 @@ struct HardcodedRanks <: RankCheck
     r::Vector{Int}
 end
 
-MultivariateMoments.rank_from_singular_values(σ, r::HardcodedRanks) = r.r[length(σ)]
+function MultivariateMoments.rank_from_singular_values(σ, r::HardcodedRanks)
+    return r.r[length(σ)]
+end
 
 @testset "Decreasing rank" begin
     r = RankDependence(zeros(4, 4), HardcodedRanks([1, 0, 1, 2]))