diff --git a/.travis.yml b/.travis.yml
index 25bce050..1d042e4c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,6 +5,7 @@ services:
   - redis-server
 
 go:
+  - 1.4
   - 1.6
   - 1.7
   - tip
diff --git a/internal/errors/errors.go b/internal/errors/errors.go
index 6d664ddf..a17a3d37 100644
--- a/internal/errors/errors.go
+++ b/internal/errors/errors.go
@@ -58,7 +58,7 @@ func IsMoved(err error) (moved bool, ask bool, addr string) {
 		return
 	}
 
-	ind := strings.LastIndexByte(s, ' ')
+	ind := strings.LastIndex(s, " ")
 	if ind == -1 {
 		return false, false, ""
 	}