diff --git a/src/runtime/os_freebsd.go b/src/runtime/os_freebsd.go
index 41feaecf6b..151a5fd91a 100644
--- a/src/runtime/os_freebsd.go
+++ b/src/runtime/os_freebsd.go
@@ -237,7 +237,7 @@ func newosproc0(stacksize uintptr, fn unsafe.Pointer) {
 	// However, newosproc0 is currently unreachable because builds
 	// utilizing c-shared/c-archive force external linking.
 	param := thrparam{
-		start_func: funcPC(fn),
+		start_func: uintptr(fn),
 		arg:        nil,
 		stack_base: uintptr(stack), //+stacksize?
 		stack_size: stacksize,
diff --git a/src/runtime/proc.go b/src/runtime/proc.go
index 694f456ac5..6c896cb993 100644
--- a/src/runtime/proc.go
+++ b/src/runtime/proc.go
@@ -6487,7 +6487,8 @@ func doInit(t *initTask) {
 			// Load stats non-atomically since tracinit is updated only by this init goroutine.
 			after := inittrace
 
-			pkg := funcpkgpath(findfunc(funcPC(firstFunc)))
+			f := *(*func())(unsafe.Pointer(&firstFunc))
+			pkg := funcpkgpath(findfunc(funcPC(f)))
 
 			var sbuf [24]byte
 			print("init ", pkg, " @")