diff --git a/Utilities/JIT.h b/Utilities/JIT.h
index ac26c2392e..fafcae8d1b 100644
--- a/Utilities/JIT.h
+++ b/Utilities/JIT.h
@@ -89,6 +89,7 @@ inline FT build_function_asm(F&& builder)
 
 	X86Assembler compiler(&code);
 	builder(std::ref(compiler), args);
+	ASSERT(compiler.getLastError() == 0);
 
 	FT result;