diff --git a/lib/grammars/java.js b/lib/grammars/java.js
index 09126d65..685ee2e2 100644
--- a/lib/grammars/java.js
+++ b/lib/grammars/java.js
@@ -20,7 +20,7 @@ export const Java = {
       const classPackages = GrammarUtils.Java.getClassPackage(context)
       const sourcePath = GrammarUtils.Java.getProjectPath(context)
       if (windows) {
-        return [`/c javac -Xlint ${context.filename} && java ${className}`]
+        return [`/c javac ーJ-Dfile.encoding=UTF-8 -Xlint ${context.filename} && java -Dfile.encoding=UTF-8 ${className}`]
       } else {
         return [
           "-c",