diff --git a/libs/ardour/test/fpu_test.cc b/libs/ardour/test/fpu_test.cc
index dd4b865e76..a356b5da3e 100644
--- a/libs/ardour/test/fpu_test.cc
+++ b/libs/ardour/test/fpu_test.cc
@@ -225,7 +225,11 @@ FPUTest::veclibTest ()
 	mix_buffers_no_gain   = veclib_mix_buffers_no_gain;
 	copy_vector           = default_copy_vector;
 
+#ifdef  __aarch64__
+	run (16, FLT_EPSILON);
+#else
 	run (16);
+#endif
 }
 
 #else