diff --git a/gradle/build.gradle b/gradle/build.gradle
index 761c329b4..55c900bd6 100644
--- a/gradle/build.gradle
+++ b/gradle/build.gradle
@@ -263,6 +263,8 @@ subprojects {
   targetCompatibility = '1.8'
 
   compileJava { options.encoding = "UTF-8" }
+  compileTestJava { options.encoding = "UTF-8" }
+
 
   gradleLint.rules = [
       // Checks if Gradle wrapper is up-to-date