diff --git a/sm9/bn256/gfp2_g1_generic.go b/sm9/bn256/gfp2_g1_generic.go
index 83fa955..f665578 100644
--- a/sm9/bn256/gfp2_g1_generic.go
+++ b/sm9/bn256/gfp2_g1_generic.go
@@ -1,5 +1,5 @@
-//go:build (!amd64) || purego
-// +build !amd64 purego
+//go:build (!amd64 && !arm64) || purego
+// +build !amd64,!arm64 purego
 
 package bn256