diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index 0a2c121..2bccf24 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -60,7 +60,7 @@ jobs:
         $paths = @(
           "$env:USERPROFILE\\.cargo\\bin", # Rust
           "$env:ProgramFiles\\Git\\cmd",   # Git
-          "$env:ProgramFiles\\Git\\bin",   # Bash
+          "$env:ProgramFiles\\Git\\bin"    # Bash
         )
 
         function Log { param([string]$Message, [string]$Level = "INFO")
diff --git a/deps/phnt-nightly b/deps/phnt-nightly
index e461325..43a21fc 160000
--- a/deps/phnt-nightly
+++ b/deps/phnt-nightly
@@ -1 +1 @@
-Subproject commit e461325f786cd70b2b0d5ed082357f929e0b2714
+Subproject commit 43a21fc5aed17ec6529946e282c5a33283ff3254
diff --git a/src/build.rs b/src/build.rs
index f77a633..2abe780 100644
--- a/src/build.rs
+++ b/src/build.rs
@@ -154,7 +154,7 @@ mod regen {
             .type_alias("NTSTATUS")
             .opaque_type("std::.*")
             .use_core()
-            .ctypes_prefix("::core::ffi")
+            .ctypes_prefix("crate::cty")
             .parse_callbacks(Box::new(ProcessComments))
             .default_enum_style(bindgen::EnumVariation::Rust {
                non_exhaustive: true,
diff --git a/src/cty/mod.rs b/src/cty/mod.rs
new file mode 100644
index 0000000..5d4a4b3
--- /dev/null
+++ b/src/cty/mod.rs
@@ -0,0 +1,27 @@
+
+/// A `cty` implementation that always assumes `target_os = "windows"`.
+/// Forked from `::core::ffi`
+pub type c_void = ::core::ffi::c_void;
+
+
+pub type c_char = i8; // Windows specific
+pub type c_schar = i8;
+pub type c_uchar = u8;
+pub type c_short = i16;
+pub type c_ushort = u16;
+
+pub type c_int = i32; // Windows specific
+pub type c_uint = u32; // Windows specific
+
+pub type c_long = i32; // Windows specific
+pub type c_ulong = u32; // Windows specific
+
+pub type c_longlong = i64;
+pub type c_ulonglong = u64;
+
+pub type c_float = f32;
+pub type c_double = f64;
+
+pub type c_size_t = usize;
+pub type c_ssize_t = isize;
+pub type c_ptrdiff_t = isize;
\ No newline at end of file
diff --git a/src/lib.rs b/src/lib.rs
index ae3018b..0666b55 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -21,8 +21,6 @@
 // SOFTWARE.
 //
 #![no_std]
-#![cfg_attr(docsrs, feature(doc_cfg))]
-#![doc = include_str!("../README.md")]
 #![allow(
    warnings,
    unused,
@@ -31,6 +29,12 @@
    non_upper_case_globals
 )]
 
+#![cfg_attr(docsrs, feature(doc_cfg))]
+#![doc = include_str!("../README.md")]
+
+/// Re-export custom `cty` implementation for Windows headers
+pub mod cty;
+
 /// Bindings for `phnt` (nightly) generated by `bindgen`
 pub mod ffi {
    // use vendored bindings