diff --git a/build.gradle b/build.gradle
index 40715e6..07edf22 100644
--- a/build.gradle
+++ b/build.gradle
@@ -16,7 +16,7 @@ dependencies {
 task fatJar(type: Jar) {
 	manifest {
 		attributes (
-			'Main-Class': 'net.fornwall.apksigner.Main'
+			'Main-Class': MAIN_CLASS
 		)
 	}
 	baseName = project.name + '-all'
diff --git a/gradle.properties b/gradle.properties
index e86e91f..5addd53 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1 +1,2 @@
 BINARY_NAME=apksigner
+MAIN_CLASS=net.fornwall.apksigner.Main