diff --git a/space/space_test.go b/space/space_test.go
index 188261f..9cec407 100644
--- a/space/space_test.go
+++ b/space/space_test.go
@@ -1,5 +1,5 @@
 // Github actions run on machines not supporting AVX-512 instructions.
-////go:build nogithub
+//go:build nogithub
 
 package space