diff --git a/build.gradle b/build.gradle
index 4763c9c..efcc160 100644
--- a/build.gradle
+++ b/build.gradle
@@ -67,7 +67,7 @@ tasks.withType(JavaCompile) {
 // if it is present.
 // If you remove this task, sources will not be generated.
 task sourcesJar(type: Jar, dependsOn: classes) {
-    classifier = "sources"
+    classifier "sources"
     from sourceSets.main.allSource
 }