diff --git a/Jenkinsfile b/Jenkinsfile
index 0b77fa9c4..325fb977b 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -20,7 +20,7 @@ pipeline {
             }
         }
 
-        stage ('Deploy') {
+        /*stage ('Deploy') {
             when {
                 branch "master"
             }
@@ -48,7 +48,7 @@ pipeline {
                         serverId: "opencollab-artifactory"
                 )
             }
-        }
+        }*/
     }
 
     post {
diff --git a/connector/src/main/java/org/geysermc/connector/utils/collections/LecternHasBookMap.java b/connector/src/main/java/org/geysermc/connector/utils/collections/LecternHasBookMap.java
index 3252963e4..f6371af8d 100644
--- a/connector/src/main/java/org/geysermc/connector/utils/collections/LecternHasBookMap.java
+++ b/connector/src/main/java/org/geysermc/connector/utils/collections/LecternHasBookMap.java
@@ -45,7 +45,7 @@ public class LecternHasBookMap extends FixedInt2BooleanMap {
         WorldManager worldManager = session.getConnector().getWorldManager();
 
         int offset = blockState - this.start;
-        if (offset < 0 || offset > this.value.length) {
+        if (offset < 0 || offset >= this.value.length) {
             // Block state is out of bounds of this map - lectern has been destroyed, if it existed
             if (!worldManager.shouldExpectLecternHandled()) {
                 session.getLecternCache().remove(position);