diff --git a/ui/terminal/util.go b/ui/terminal/util.go
index c9377f156..f383ef19e 100644
--- a/ui/terminal/util.go
+++ b/ui/terminal/util.go
@@ -23,6 +23,9 @@ import (
 )
 
 func isSmartTerminal(w io.Writer) bool {
+	if term, ok := os.LookupEnv("TERM"); ok && term == "dumb" {
+		return false
+	}
 	if f, ok := w.(*os.File); ok {
 		var termios syscall.Termios
 		_, _, err := syscall.Syscall6(syscall.SYS_IOCTL, f.Fd(),