diff --git a/src/main/java/net/knarcraft/stargate/portal/PortalRegistry.java b/src/main/java/net/knarcraft/stargate/portal/PortalRegistry.java
index 3311963..f463430 100644
--- a/src/main/java/net/knarcraft/stargate/portal/PortalRegistry.java
+++ b/src/main/java/net/knarcraft/stargate/portal/PortalRegistry.java
@@ -252,14 +252,14 @@ public class PortalRegistry {
         } else {
             //Check if network exists in the lookup list. If not, register the new network
             if (!portalLookupByNetwork.containsKey(networkName)) {
-                Stargate.debug("register", "Network " + portal.getNetwork() +
-                        " not in lookupNamesNet, adding");
+                Stargate.debug("register", String.format("Network %s not in lookupNamesNet, adding", 
+                        portal.getNetwork()));
                 portalLookupByNetwork.put(networkName, new HashMap<>());
             }
             //Check if this network exists in the network list. If not, register the network
             if (!allPortalNetworks.containsKey(networkName)) {
-                Stargate.debug("register", "Network " + portal.getNetwork() +
-                        " not in allPortalsNet, adding");
+                Stargate.debug("register", String.format("Network %s not in allPortalsNet, adding", 
+                        portal.getNetwork()));
                 allPortalNetworks.put(networkName, new ArrayList<>());
             }