diff --git a/.github/workflows/mingw.yml b/.github/workflows/mingw.yml
new file mode 100644
index 000000000..52dcfdea7
--- /dev/null
+++ b/.github/workflows/mingw.yml
@@ -0,0 +1,57 @@
+name: MinGW Clang64 Full Pipeline
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  build:
+    strategy:
+      fail-fast: false
+      matrix:
+        profile: [RelWithDebInfo, Debug]
+
+    name: MinGW Clang64 Build (${{ matrix.profile }})
+    runs-on: windows-2025
+    
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+
+      - name: Setup MSYS2
+        id: msys2
+        uses: msys2/setup-msys2@v2
+        with:
+          msystem: clang64
+          update: true
+          install: >-
+            git
+            mingw-w64-clang-x86_64-toolchain
+            mingw-w64-clang-x86_64-cmake
+            mingw-w64-clang-x86_64-ninja
+
+      - name: Configure
+        shell: msys2 {0}
+        run: >
+          cmake -GNinja
+          -B"$(cygpath -u "$GITHUB_WORKSPACE")/build"
+          -DCMAKE_BUILD_TYPE=${{ matrix.profile }}
+          -DCMAKE_CXX_COMPILER=clang++
+          -DCMAKE_C_COMPILER=clang
+
+      - name: Build
+        shell: msys2 {0}
+        run: >
+          cmake 
+          --build "$(cygpath -u "$GITHUB_WORKSPACE")/build"
+          --parallel
+      
+      - name: Test
+        shell: msys2 {0}
+        run: |
+          cd "$(cygpath -u "$GITHUB_WORKSPACE")/build"
+          ctest
+        
diff --git a/CMakeLists.txt b/CMakeLists.txt
index cad25ef65..3d41c7042 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -280,6 +280,12 @@ if(MSVC)
   target_compile_options(snmalloc INTERFACE "/Zc:__cplusplus")
 endif()
 
+if(MINGW)
+  if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
+    target_compile_options(snmalloc INTERFACE "-fms-extensions")
+  endif()
+endif()
+
 if (CMAKE_SYSTEM_NAME STREQUAL NetBSD)
 	target_include_directories(snmalloc INTERFACE /usr/pkg/include)
 	target_link_directories(snmalloc INTERFACE /usr/pkg/lib)
@@ -381,9 +387,10 @@ function(add_warning_flags name)
     $<$<CXX_COMPILER_ID:MSVC>:/Zi /W4 /WX /wd4127 /wd4324 /wd4201>
     $<$<NOT:$<OR:$<CXX_COMPILER_ID:MSVC>,$<STREQUAL:${CMAKE_CXX_SIMULATE_ID},MSVC>>>:-fno-rtti -Wall -Wextra -Werror -Wundef>
     $<$<CXX_COMPILER_ID:Clang>:-Wsign-conversion -Wconversion>)
+  
   target_link_options(${name} PRIVATE 
     $<$<BOOL:${SNMALLOC_LINKER_SUPPORT_NO_ALLOW_SHLIB_UNDEF}>:-Wl,--no-undefined>
-    $<$<PLATFORM_ID:Windows>:$<${ci_or_debug}:/DEBUG>>)
+    $<$<PLATFORM_ID:Windows>:$<${ci_or_debug}:LINKER:/DEBUG>>)
 endfunction()
 
 # To build with just the header library target define SNMALLOC_HEADER_ONLY_LIBRARY
diff --git a/src/snmalloc/pal/pal_windows.h b/src/snmalloc/pal/pal_windows.h
index a44079dea..46d3fa034 100644
--- a/src/snmalloc/pal/pal_windows.h
+++ b/src/snmalloc/pal/pal_windows.h
@@ -41,8 +41,10 @@
  * be destroyed when the program exits or the DLL is
  * unloaded.
  */
-#  pragma warning(disable : 4075)
-#  pragma init_seg(".CRT$XCB")
+#  ifndef __MINGW32__
+#    pragma warning(disable : 4075)
+#    pragma init_seg(".CRT$XCB")
+#  endif
 
 namespace snmalloc
 {
diff --git a/src/test/func/protect_fork/protect_fork.cc b/src/test/func/protect_fork/protect_fork.cc
index 28a8f4c7a..dd7b73a4d 100644
--- a/src/test/func/protect_fork/protect_fork.cc
+++ b/src/test/func/protect_fork/protect_fork.cc
@@ -1,7 +1,7 @@
 #include <iostream>
 #include <snmalloc/snmalloc.h>
 
-#ifndef SNMALLOC_PTHREAD_ATFORK_WORKS
+#if !defined(SNMALLOC_PTHREAD_ATFORK_WORKS) || defined(__MINGW32__)
 int main()
 {
   std::cout << "Test did not run" << std::endl;
@@ -78,4 +78,4 @@ int main()
   return 0;
 }
 
-#endif
\ No newline at end of file
+#endif