diff --git a/Project.toml b/Project.toml
index 727809440c..7057030b09 100644
--- a/Project.toml
+++ b/Project.toml
@@ -16,7 +16,7 @@ ObjectFile = "d8793406-e978-5875-9003-1fc021f44a92"
 Adapt = "3.3"
 CEnum = "0.4"
 Enzyme_jll = "~0.0.16"
-GPUCompiler = "0.12"
+GPUCompiler = "0.13"
 LLVM = "4.1"
 ObjectFile = "0.3"
 julia = "1.6"
diff --git a/src/compiler.jl b/src/compiler.jl
index 080cc60988..c7088e2851 100644
--- a/src/compiler.jl
+++ b/src/compiler.jl
@@ -1174,7 +1174,7 @@ function lower_convention(@nospecialize(job::CompilerJob), mod::LLVM.Module, ent
     entry_ft = eltype(llvmtype(entry_f)::LLVM.PointerType)::LLVM.FunctionType
 
     RT = LLVM.return_type(entry_ft)
-    args = GPUCompiler.classify_arguments(job, entry_f)
+    args = GPUCompiler.classify_arguments(job, entry_ft)
     filter!(args) do arg
         arg.cc != GPUCompiler.GHOST
     end