diff --git a/.github/workflows/asi-vcxproj-check.yml b/.github/workflows/asi-vcxproj-check.yml
new file mode 100644
index 000000000..84a742ebf
--- /dev/null
+++ b/.github/workflows/asi-vcxproj-check.yml
@@ -0,0 +1,17 @@
+name: ChaosMod.vcxproj Check
+
+on: push
+
+jobs:
+  tests:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Setup Python
+      uses: actions/setup-python@v4
+
+    - name: Run scripts/asi_vcxproj_check.py
+      run: python scripts/asi_vcxproj_check.py ChaosMod/ ChaosMod.vcxproj
diff --git a/scripts/asi_vcxproj_check.py b/scripts/asi_vcxproj_check.py
new file mode 100644
index 000000000..4027692ea
--- /dev/null
+++ b/scripts/asi_vcxproj_check.py
@@ -0,0 +1,38 @@
+import os
+import sys
+
+BLACKLISTED_SUBDIRS = ( "x64" ".cache" "build" )
+
+if len(sys.argv) < 3:
+    print("Need source directory and file as parameter!")
+    exit(1)
+
+SOURCE_DIR = sys.argv[1]
+PROJECT_FILE = sys.argv[2]
+
+source_files = []
+project_files = []
+is_successful = True
+
+for subdir, dirs, files in os.walk(SOURCE_DIR, topdown = True):
+    subdir = "" if subdir == SOURCE_DIR else (subdir[len(SOURCE_DIR):].replace("/", "\\") + "\\")
+
+    for file in files:
+        if file.endswith(".cpp") or file.endswith(".h"):
+            source_files.append(f"{subdir}{file}")
+
+    dirs[:] = [dir for dir in dirs if not dir in BLACKLISTED_SUBDIRS]
+
+with open(SOURCE_DIR + PROJECT_FILE, "r") as _in:
+    for line in _in:
+        if "<ClCompile " in line or "<ClInclude " in line:
+            file = line.split("Include=\"")[1].split("\"")[0]
+            if not file.startswith(".."):
+                project_files.append(file)
+
+for file in source_files:
+    if file not in project_files:
+        is_successful = False
+        print(f"File {file} missing in {PROJECT_FILE}!")
+
+exit(0 if is_successful else 1)