diff --git a/gradle.properties b/gradle.properties
index 566c7f95..4e184925 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -10,7 +10,7 @@ org.gradle.jvmargs=-Xmx1G
 	fabric_version=0.30.2+1.17
 
 # Mod Properties
-	mod_version = 1.4.25
+	mod_version = 1.4.26
 	maven_group = carpet
 	archives_base_name = fabric-carpet
 
diff --git a/src/main/java/carpet/CarpetSettings.java b/src/main/java/carpet/CarpetSettings.java
index 946d18ab..e30f90c4 100644
--- a/src/main/java/carpet/CarpetSettings.java
+++ b/src/main/java/carpet/CarpetSettings.java
@@ -42,7 +42,7 @@ import static carpet.settings.RuleCategory.CLIENT;
 @SuppressWarnings("CanBeFinal")
 public class CarpetSettings
 {
-    public static final String carpetVersion = "1.4.25+v210203";
+    public static final String carpetVersion = "1.4.26+v210210";
     public static final Logger LOG = LogManager.getLogger("carpet");
     public static boolean skipGenerationChecks = false;
     public static boolean impendingFillSkipUpdates = false;
diff --git a/src/main/java/carpet/script/CarpetEventServer.java b/src/main/java/carpet/script/CarpetEventServer.java
index 3c35ed5a..f017f574 100644
--- a/src/main/java/carpet/script/CarpetEventServer.java
+++ b/src/main/java/carpet/script/CarpetEventServer.java
@@ -205,7 +205,15 @@ public class CarpetEventServer
             if (callList.size() > 0)
             {
                 List<Value> argv = argumentSupplier.get(); // empty for onTickDone
-                ServerCommandSource source = cmdSourceSupplier.get();
+                ServerCommandSource source;
+                try
+                {
+                     source = cmdSourceSupplier.get();
+                }
+                catch (NullPointerException noReference) // todo figure out what happens when closing.
+                {
+                    return;
+                }
                 String nameCheck = perPlayerDistribution?source.getName():null;
                 assert argv.size() == reqArgs;
                 List<Callback> fails = new ArrayList<>();