diff --git a/test/runtests.jl b/test/runtests.jl
index 34660f2..dde115e 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -1,4 +1,4 @@
-@show get(ENV, "JULIA_PKG_SERVER_REGISTRY_PREFEREN", nothing)
+@show get(ENV, "JULIA_PKG_SERVER_REGISTRY_PREFERENCE", nothing)
 exit()
 import Literate, JSON
 import Literate: Chunk, MDChunk, CodeChunk