diff --git a/app/build.gradle b/app/build.gradle
index edda1be..0160ba9 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -11,7 +11,7 @@ plugins {
     id 'application'
 }
 
-project.ext.os = System.properties['os.name'].toLowerCase()
+project.ext.os = System.properties['os.name'].toLowerCase().split(" ")[0]
 
 repositories {
     // Use Maven Central for resolving dependencies.