Fix build?

build.gradle

@@ -93,6 +93,10 @@ task apiJar(type: Jar, dependsOn: 'sourceMainJava') {
 }
 
 task signJar(type: SignJar, dependsOn: reobfJar) {
+    onlyIf {
+        project.hasProperty('keyStore')
+    }
+
     keyStore = project.property('keyStore')
     alias = project.property('keyStoreAlias')
     storePass = project.property('keyStorePass')
@@ -101,10 +105,6 @@ task signJar(type: SignJar, dependsOn: reobfJar) {
     outputFile = jar.archivePath
 }
 
-signJar.onlyIf {
-    project.hasProperty('keyStore')
-}
-
 build.dependsOn signJar
 
 artifacts {