diff --git a/src/internal/syscall/unix/getentropy_darwin.go b/src/internal/syscall/unix/getentropy_darwin.go
index 6da6f84d95..e1a410a454 100644
--- a/src/internal/syscall/unix/getentropy_darwin.go
+++ b/src/internal/syscall/unix/getentropy_darwin.go
@@ -5,6 +5,7 @@
 package unix
 
 import (
+	"internal/abi"
 	"syscall"
 	"unsafe"
 )
@@ -15,7 +16,7 @@ func libc_getentropy_trampoline()
 
 // GetEntropy calls the macOS getentropy system call.
 func GetEntropy(p []byte) error {
-	_, _, errno := syscall_syscall(funcPC(libc_getentropy_trampoline),
+	_, _, errno := syscall_syscall(abi.FuncPCABI0(libc_getentropy_trampoline),
 		uintptr(unsafe.Pointer(&p[0])),
 		uintptr(len(p)),
 		0)
@@ -27,6 +28,3 @@ func GetEntropy(p []byte) error {
 
 //go:linkname syscall_syscall syscall.syscall
 func syscall_syscall(fn, a1, a2, a3 uintptr) (r1, r2 uintptr, err syscall.Errno)
-
-//go:linkname funcPC runtime.funcPC
-func funcPC(f interface{}) uintptr