diff --git a/run_project_tests.py b/run_project_tests.py
index 45cd266..98066a6 100755
--- a/run_project_tests.py
+++ b/run_project_tests.py
@@ -1010,6 +1010,9 @@
     # Rust and vs2017 do not work together. But only with 32 bits.
     if os.environ['VisualStudioVersion'] == '15.0' and os.environ['Platform'] == 'x86':
         return True
+    # Clang-cl also fails with Rust.
+    if shutil.which('cl') is None and shutil('clang-cl'):
+        return True
     return False
 
 def should_skip_rust(backend: Backend) -> bool: