diff --git a/all/pom.xml b/all/pom.xml
index 048785cf..c9c3556b 100644
--- a/all/pom.xml
+++ b/all/pom.xml
@@ -15,7 +15,7 @@
     <parent>
         <artifactId>viabackwards-parent</artifactId>
         <groupId>nl.matsv</groupId>
-        <version>2.3.0</version>
+        <version>2.3.1</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/bukkit/pom.xml b/bukkit/pom.xml
index 21e93bbe..c46d0199 100644
--- a/bukkit/pom.xml
+++ b/bukkit/pom.xml
@@ -15,7 +15,7 @@
     <parent>
         <artifactId>viabackwards-parent</artifactId>
         <groupId>nl.matsv</groupId>
-        <version>2.3.0</version>
+        <version>2.3.1</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/bungee/pom.xml b/bungee/pom.xml
index 65987c68..13339a85 100644
--- a/bungee/pom.xml
+++ b/bungee/pom.xml
@@ -15,7 +15,7 @@
     <parent>
         <artifactId>viabackwards-parent</artifactId>
         <groupId>nl.matsv</groupId>
-        <version>2.3.0</version>
+        <version>2.3.1</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/core/pom.xml b/core/pom.xml
index e998b5ac..e2b66db6 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -15,7 +15,7 @@
     <parent>
         <artifactId>viabackwards-parent</artifactId>
         <groupId>nl.matsv</groupId>
-        <version>2.3.0</version>
+        <version>2.3.1</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/core/src/main/java/nl/matsv/viabackwards/protocol/protocol1_12_1to1_12_2/Protocol1_12_1To1_12_2.java b/core/src/main/java/nl/matsv/viabackwards/protocol/protocol1_12_1to1_12_2/Protocol1_12_1To1_12_2.java
index 0a0f533d..8c123349 100644
--- a/core/src/main/java/nl/matsv/viabackwards/protocol/protocol1_12_1to1_12_2/Protocol1_12_1To1_12_2.java
+++ b/core/src/main/java/nl/matsv/viabackwards/protocol/protocol1_12_1to1_12_2/Protocol1_12_1To1_12_2.java
@@ -48,7 +48,7 @@ public class Protocol1_12_1To1_12_2 extends BackwardsProtocol {
                         int keepAlive = packetWrapper.read(Type.VAR_INT);
                         long realKeepAlive = packetWrapper.user().get(KeepAliveTracker.class).getKeepAlive();
                         if (keepAlive != (int) realKeepAlive) {
-                            realKeepAlive = 0L; // Client sent wrong data, timeout
+                            packetWrapper.cancel(); // Wrong data, cancel packet
                         }
                         packetWrapper.write(Type.LONG, realKeepAlive);
                     }
diff --git a/pom.xml b/pom.xml
index b7451bb2..54cbd6c2 100644
--- a/pom.xml
+++ b/pom.xml
@@ -16,7 +16,7 @@
 
     <groupId>nl.matsv</groupId>
     <artifactId>viabackwards-parent</artifactId>
-    <version>2.3.0</version>
+    <version>2.3.1</version>
     <packaging>pom</packaging>
 
     <description>Allow newer clients to join older server versions.</description>
diff --git a/sponge/pom.xml b/sponge/pom.xml
index 23ce495f..f7ececb2 100644
--- a/sponge/pom.xml
+++ b/sponge/pom.xml
@@ -15,7 +15,7 @@
     <parent>
         <artifactId>viabackwards-parent</artifactId>
         <groupId>nl.matsv</groupId>
-        <version>2.3.0</version>
+        <version>2.3.1</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>