diff --git a/tests/test_dotnet_signals.py b/tests/test_dotnet_signals.py
index 4fcec508b..9f938107c 100644
--- a/tests/test_dotnet_signals.py
+++ b/tests/test_dotnet_signals.py
@@ -55,7 +55,7 @@ def run_dotnet_native_crash(tmp_path):
 
 
 @pytest.mark.skipif(
-    sys.platform != "linux" and not os.environ.get("TEST_X86"),
+    sys.platform != "linux" and os.environ.get("TEST_X86"),
     reason="dotnet signal handling is currently only supported on 64-bit Linux",
 )
 def test_dotnet_signals_inproc(cmake):