diff --git a/OSBindings/Mac/Clock SignalTests/8088Tests.mm b/OSBindings/Mac/Clock SignalTests/8088Tests.mm
index 224aeca93..203a1ee9f 100644
--- a/OSBindings/Mac/Clock SignalTests/8088Tests.mm	
+++ b/OSBindings/Mac/Clock SignalTests/8088Tests.mm	
@@ -665,7 +665,15 @@ struct FailedExecution {
 	}
 
 	// Lock in current failure rate.
-	XCTAssertLessThanOrEqual(execution_failures.size(), 1654);
+	XCTAssertLessThanOrEqual(execution_failures.size(), 4138);
+
+	// Current accepted failures:
+	//	* 68 instances of DAA with invalid BCD input, and 64 of DAS;
+	//	* 2484 instances of LEA from a register, which officially has undefined results;
+	//	* 42 instances of AAM 00h for which I can't figure out what to do with flags; and
+	//	* 1486 instances of IDIV, most either with a rep or repne that on the 8086 specifically negatives the result,
+	//		but some admittedly still unexplained (primarily setting overflow even though the result doesn't overflow;
+	//		a couple of online 8086 emulators also didn't throw so maybe this is an 8086 quirk?)
 
 	for(const auto &failure: execution_failures) {
 		NSLog(@"Failed %s — %s", failure.test_name.c_str(), failure.reason.c_str());