diff --git a/dict.go b/dict.go
index 11ad959..9721269 100644
--- a/dict.go
+++ b/dict.go
@@ -4,6 +4,7 @@ import (
 	"bufio"
 	"fmt"
 	"net/http"
+	"net/url"
 	"os"
 	"regexp"
 	"strings"
@@ -30,7 +31,7 @@ func main() {
 		fromto = os.Args[2] + "."
 	}
 
-	r, err := http.Get("http://" + fromto + BASE + os.Args[1])
+	r, err := http.Get("http://" + fromto + BASE + url.QueryEscape(os.Args[1]))
 	if err != nil {
 		println("error:", err.Error())
 		return