diff --git a/src/internal/bytealg/count_amd64.s b/src/internal/bytealg/count_amd64.s
index 19eb1ac642..cecba11cf9 100644
--- a/src/internal/bytealg/count_amd64.s
+++ b/src/internal/bytealg/count_amd64.s
@@ -151,7 +151,7 @@ endofpage:
 	RET
 
 avx2:
-	CMPB   runtime·support_avx2(SB), $1
+	CMPB   internal∕cpu·X86+const_x86_HasAVX2(SB), $1
 	JNE sse
 	MOVD AX, X0
 	LEAQ -32(SI)(BX*1), R11