diff --git a/.travis.yml b/.travis.yml
index 9fb59940..2f9385e3 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,7 +4,7 @@ go:
   - 1.6.x
   - 1.7.x
   - 1.8.x
-  - tip
+  - master
 
 git:
   depth: 3
diff --git a/logger.go b/logger.go
index c7cbfe1f..dc6f1415 100644
--- a/logger.go
+++ b/logger.go
@@ -54,7 +54,9 @@ func Logger() HandlerFunc {
 func LoggerWithWriter(out io.Writer, notlogged ...string) HandlerFunc {
 	isTerm := true
 
-	if w, ok := out.(*os.File); !ok || !isatty.IsTerminal(w.Fd()) || disableColor {
+	if w, ok := out.(*os.File); !ok ||
+		(os.Getenv("TERM") == "dumb" || (!isatty.IsTerminal(w.Fd()) && !isatty.IsCygwinTerminal(w.Fd()))) ||
+		disableColor {
 		isTerm = false
 	}
 
diff --git a/vendor/vendor.json b/vendor/vendor.json
index 00115c50..2bc5e194 100644
--- a/vendor/vendor.json
+++ b/vendor/vendor.json
@@ -28,10 +28,10 @@
 			"revisionTime": "2015-05-31T20:46:25Z"
 		},
 		{
-			"checksumSHA1": "xZuhljnmBysJPta/lMyYmJdujCg=",
+			"checksumSHA1": "U6lX43KDDlNOn+Z0Yyww+ZzHfFo=",
 			"path": "github.com/mattn/go-isatty",
-			"revision": "30a891c33c7cde7b02a981314b4228ec99380cca",
-			"revisionTime": "2016-11-23T14:36:37Z"
+			"revision": "57fdcb988a5c543893cc61bce354a6e24ab70022",
+			"revisionTime": "2017-03-07T16:30:44Z"
 		},
 		{
 			"checksumSHA1": "LuFv4/jlrmFNnDb/5SCSEPAM9vU=",
@@ -61,10 +61,10 @@
 			"revisionTime": "2016-10-18T08:54:36Z"
 		},
 		{
-			"checksumSHA1": "8SH0adTcQlA+W5dzqiQ3Hft2VXg=",
+			"checksumSHA1": "/oZpHfYc+ZgOwYAhlvcMhmETYpw=",
 			"path": "golang.org/x/sys/unix",
-			"revision": "478fcf54317e52ab69f40bb4c7a1520288d7f7ea",
-			"revisionTime": "2016-12-05T15:46:50Z"
+			"revision": "99f16d856c9836c42d24e7ab64ea72916925fa97",
+			"revisionTime": "2017-03-08T15:04:45Z"
 		},
 		{
 			"checksumSHA1": "pyAPYrymvmZl0M/Mr4yfjOQjA8I=",