diff --git a/src/net/http/fs_test.go b/src/net/http/fs_test.go
index 6ab122cf82..255d215f3c 100644
--- a/src/net/http/fs_test.go
+++ b/src/net/http/fs_test.go
@@ -993,7 +993,7 @@ func TestServeContent(t *testing.T) {
 		for _, method := range []string{"GET", "HEAD"} {
 			//restore content in case it is consumed by previous method
 			if content, ok := content.(*strings.Reader); ok {
-				content.Seek(io.SeekStart, 0)
+				content.Seek(0, io.SeekStart)
 			}
 
 			servec <- serveParam{