diff --git a/build.gradle b/build.gradle
index cc5954e2..2a3c7810 100644
--- a/build.gradle
+++ b/build.gradle
@@ -170,8 +170,8 @@ publishing {
             name = "Snapshots"
             url = "https://central.sonatype.com/repository/maven-snapshots/"
             credentials {
-                username "$System.env.SONATYPE_USERNAME"
-                password "$System.env.SONATYPE_PASSWORD"
+                username System.getenv("SONATYPE_USERNAME")
+                password System.getenv("SONATYPE_PASSWORD")
             }
         }
     }