diff --git a/build.gradle b/build.gradle
index e61f1dd6..500765b6 100644
--- a/build.gradle
+++ b/build.gradle
@@ -50,5 +50,6 @@ subprojects {
     tasks.withType(JavaCompile) {
         sourceCompatibility = JavaVersion.VERSION_1_7
         targetCompatibility = JavaVersion.VERSION_1_7
+        options.encoding = 'UTF-8'
     }
 }