diff --git a/ipv4_other_test.go b/ipv4_other_test.go
index 7d2177f..2bdda60 100644
--- a/ipv4_other_test.go
+++ b/ipv4_other_test.go
@@ -1,4 +1,4 @@
-// +build !linux,!windows
+// +build !linux,!windows,!darwin
 
 package water
 
diff --git a/ipv4_linux_test.go b/ipv4_unix_test.go
similarity index 100%
rename from ipv4_linux_test.go
rename to ipv4_unix_test.go