diff --git a/stdlib/Random/src/RNGs.jl b/stdlib/Random/src/RNGs.jl
index 2ea2fb3a684df..6c8fc684d8e53 100644
--- a/stdlib/Random/src/RNGs.jl
+++ b/stdlib/Random/src/RNGs.jl
@@ -287,7 +287,7 @@ function random_seed()
         # almost surely always getting distinct seeds, while having them printed reasonably tersely
         return rand(RandomDevice(), UInt128)
     catch ex
-        ex isa IOError || rethrow()
+        ex isa Base.IOError || rethrow()
         @warn "Entropy pool not available to seed RNG; using ad-hoc entropy sources."
         return Libc.rand()
     end