diff --git a/resize.go b/resize.go
index 07fdaa2..7e8c2d7 100644
--- a/resize.go
+++ b/resize.go
@@ -1,4 +1,4 @@
-// +build go17
+// +build go1.7
 
 package bimg
 
diff --git a/resize_legacy.go b/resize_legacy.go
index 86d8acd..de777a5 100644
--- a/resize_legacy.go
+++ b/resize_legacy.go
@@ -1,4 +1,4 @@
-// +build !go17
+// +build !go1.7
 
 package bimg