diff --git a/Project.toml b/Project.toml
index ff04441c83..a02ade766c 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "Enzyme"
 uuid = "7da242da-08ed-463a-9acd-ee780be4f1d9"
 authors = ["William Moses <wmoses@mit.edu>", "Valentin Churavy <vchuravy@mit.edu>"]
-version = "0.12.29"
+version = "0.12.30"
 
 [deps]
 CEnum = "fa961155-64e5-5f13-b03f-caf6b980ea82"
diff --git a/ext/EnzymeBFloat16sExt.jl b/ext/EnzymeBFloat16sExt.jl
index 0fda13617e..c23797ffff 100644
--- a/ext/EnzymeBFloat16sExt.jl
+++ b/ext/EnzymeBFloat16sExt.jl
@@ -3,7 +3,7 @@ module EnzymeBFloat16sExt
 using BFloat16s
 using Enzyme
 
-function Enzyme.typetree_inner(::Type{Core.BFloat16}, ctx, dl, seen::Enzyme.Compiler.TypeTreeTable)
+function Enzyme.typetree_inner(::Type{BFloat16}, ctx, dl, seen::Enzyme.Compiler.TypeTreeTable)
     return TypeTree(Enzyme.API.DT_BFloat16, -1, ctx)
 end
 
diff --git a/test/Project.toml b/test/Project.toml
index 5c8286d1af..a3f8452712 100644
--- a/test/Project.toml
+++ b/test/Project.toml
@@ -1,5 +1,6 @@
 [deps]
 Aqua = "4c88cf16-eb10-579e-8560-4a9242c79595"
+BFloat16s = "ab4f0b2a-ad5b-11e8-123f-65d77653426b"
 ChainRules = "082447d4-558c-5d27-93f4-14fc19e9eca2"
 ChainRulesCore = "d360d2e6-b24c-11e9-a2a3-2a2ae2dbcce4"
 Documenter = "e30172f5-a6a5-5a46-863b-614d45cd2de4"
diff --git a/test/ext/bfloat16s.jl b/test/ext/bfloat16s.jl
new file mode 100644
index 0000000000..0a47f48f03
--- /dev/null
+++ b/test/ext/bfloat16s.jl
@@ -0,0 +1,7 @@
+using Enzyme
+using Test
+using BFloat16s
+
+@test_broken Enzyme.gradient(Reverse, sum, ones(BFloat16, 10)) ≈ ones(BFloat16, 10)
+
+@test_broken Enzyme.gradient(Forward, sum, ones(BFloat16, 10)) ≈ ones(BFloat16, 10)
diff --git a/test/runtests.jl b/test/runtests.jl
index 94015cfa4f..ac62137d35 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -3693,6 +3693,10 @@ end
         include("ext/chainrulescore.jl")
     end
     include("ext/logexpfunctions.jl")
+
+    @testset "BFloat16s ext" begin
+        include("ext/bfloat16s.jl")
+    end
 end