diff --git a/guacamole-common/src/main/java/net/sourceforge/guacamole/properties/GuacamoleProperties.java b/guacamole-common/src/main/java/net/sourceforge/guacamole/properties/GuacamoleProperties.java
index 76f713849..fa1239bdf 100644
--- a/guacamole-common/src/main/java/net/sourceforge/guacamole/properties/GuacamoleProperties.java
+++ b/guacamole-common/src/main/java/net/sourceforge/guacamole/properties/GuacamoleProperties.java
@@ -26,6 +26,8 @@ import net.sourceforge.guacamole.GuacamoleException;
 
 public class GuacamoleProperties {
 
+    private GuacamoleProperties() {}
+
     public static final StringGuacamoleProperty GUACD_HOSTNAME = new StringGuacamoleProperty() {
 
         @Override