diff --git a/test/matrixvariates.jl b/test/matrixvariates.jl
index 4953cff670..9c04c399fc 100644
--- a/test/matrixvariates.jl
+++ b/test/matrixvariates.jl
@@ -262,7 +262,7 @@ function unpack_matvar_json_dict(dist::Type{<:MatrixDistribution}, dict)
 end
 
 function test_against_stan(dist::Type{<:MatrixDistribution})
-    filename = joinpath(dirname(@__FILE__), "ref", "matrixvariates", "jsonfiles", "$(dist)_stan_output.json")
+    filename = joinpath(@__DIR__, "ref", "matrixvariates", "jsonfiles", "$(dist)_stan_output.json")
     stan_output = JSON.parsefile(filename)
     K = length(stan_output)
     for k in 1:K
diff --git a/test/truncate.jl b/test/truncate.jl
index 3603798759..363af62e5e 100644
--- a/test/truncate.jl
+++ b/test/truncate.jl
@@ -130,7 +130,7 @@ for c in ["discrete",
     title = string(uppercase(c[1]), c[2:end])
     println("    [$title]")
     println("    ------------")
-    jsonfile = joinpath(dirname(@__FILE__), "ref", "$(c)_test.ref.json")
+    jsonfile = joinpath(@__DIR__, "ref", "$(c)_test.ref.json")
     verify_and_test_drive(jsonfile, ARGS, 10^6,3,5)
     println()
 end
diff --git a/test/univariates.jl b/test/univariates.jl
index 87ee32b4b2..8913b3866f 100644
--- a/test/univariates.jl
+++ b/test/univariates.jl
@@ -162,7 +162,7 @@ for c in ["discrete",
     title = string(uppercase(c[1]), c[2:end])
     println("    [$title]")
     println("    ------------")
-    jsonfile = joinpath(dirname(@__FILE__), "ref", "$(c)_test.ref.json")
+    jsonfile = joinpath(@__DIR__, "ref", "$(c)_test.ref.json")
     verify_and_test_drive(jsonfile, ARGS, 10^6)
     println()
 end