diff --git a/src/validation.jl b/src/validation.jl
index 84438044..2742d6e8 100644
--- a/src/validation.jl
+++ b/src/validation.jl
@@ -16,7 +16,7 @@ function check_method(@nospecialize(job::CompilerJob))
         cache = ci_cache(job)
         mt = method_table(job)
         interp = GPUInterpreter(cache, mt, job.source.world)
-        @static if VERSION ≥ v"1.8-beta2"
+        @static if v"1.8-beta2" <= VERSION < v"1.9-" || VERSION ≥ v"1.9.0-DEV.190"
             # https://github.com/JuliaLang/julia/pull/44515
             rt = Base.return_types(job.source.f, job.source.tt; interp)[1]
         else