diff --git a/LICENSE_HEADER.txt b/HEADER.txt
similarity index 100%
rename from LICENSE_HEADER.txt
rename to HEADER.txt
diff --git a/build.gradle b/build.gradle
index 7c185ce8..2bb8708f 100644
--- a/build.gradle
+++ b/build.gradle
@@ -52,7 +52,7 @@ subprojects {
     project.ext.fullVersion = project.ext.majorVersion + '.' + project.ext.minorVersion + '.' + project.ext.patchVersion
 
     license {
-        header = rootProject.file('LICENSE_HEADER.txt')
+        header = rootProject.file('HEADER.txt')
         include '**/*.java'
         newLine = true
     }
diff --git a/bukkit/src/main/java/me/lucko/luckperms/bukkit/vault/VaultPermissionHook.java b/bukkit/src/main/java/me/lucko/luckperms/bukkit/vault/VaultPermissionHook.java
index e3bb653b..f4a0e637 100644
--- a/bukkit/src/main/java/me/lucko/luckperms/bukkit/vault/VaultPermissionHook.java
+++ b/bukkit/src/main/java/me/lucko/luckperms/bukkit/vault/VaultPermissionHook.java
@@ -96,7 +96,7 @@ public class VaultPermissionHook extends AbstractVaultPermission {
         }
 
         // are we on the main thread?
-        if (!plugin.getBootstrap().isServerStarting() && Bukkit.isPrimaryThread() && !this.plugin.getConfiguration().get(ConfigKeys.VAULT_UNSAFE_LOOKUPS)) {
+        if (!this.plugin.getBootstrap().isServerStarting() && Bukkit.isPrimaryThread() && !this.plugin.getConfiguration().get(ConfigKeys.VAULT_UNSAFE_LOOKUPS)) {
             throw new RuntimeException(
                     "The operation to lookup a UUID for '" + player + "' was cancelled by LuckPerms. This is NOT a bug. \n" +
                     "The lookup request was made on the main server thread. It is not safe to execute a request to \n" +
@@ -132,7 +132,7 @@ public class VaultPermissionHook extends AbstractVaultPermission {
         }
 
         // are we on the main thread?
-        if (!plugin.getBootstrap().isServerStarting() && Bukkit.isPrimaryThread() && !this.plugin.getConfiguration().get(ConfigKeys.VAULT_UNSAFE_LOOKUPS)) {
+        if (!this.plugin.getBootstrap().isServerStarting() && Bukkit.isPrimaryThread() && !this.plugin.getConfiguration().get(ConfigKeys.VAULT_UNSAFE_LOOKUPS)) {
             throw new RuntimeException(
                     "The operation to load user data for '" + uuid + "' was cancelled by LuckPerms. This is NOT a bug. \n" +
                     "The lookup request was made on the main server thread. It is not safe to execute a request to \n" +
diff --git a/common/src/main/java/me/lucko/luckperms/common/backup/Importer.java b/common/src/main/java/me/lucko/luckperms/common/backup/Importer.java
index 44819410..2c5ff2a4 100644
--- a/common/src/main/java/me/lucko/luckperms/common/backup/Importer.java
+++ b/common/src/main/java/me/lucko/luckperms/common/backup/Importer.java
@@ -184,7 +184,7 @@ public class Importer implements Runnable {
         AtomicInteger errIndex = new AtomicInteger(1);
         for (ImportCommand e : this.commands) {
             if (e.getResult() != null && e.getResult().wasFailure()) {
-                for (Sender s : notify) {
+                for (Sender s : this.notify) {
                     Message.IMPORT_END_ERROR_HEADER.send(s, errIndex.get(), e.getId(), e.getCommand(), e.getResult().toString());
                     e.getOutput().forEach(out -> Message.IMPORT_END_ERROR_CONTENT.send(s, out));
                     Message.IMPORT_END_ERROR_FOOTER.send(s);
diff --git a/common/src/main/java/me/lucko/luckperms/common/event/EventFactory.java b/common/src/main/java/me/lucko/luckperms/common/event/EventFactory.java
index 0b61e5eb..ae36e06e 100644
--- a/common/src/main/java/me/lucko/luckperms/common/event/EventFactory.java
+++ b/common/src/main/java/me/lucko/luckperms/common/event/EventFactory.java
@@ -103,7 +103,7 @@ public final class EventFactory {
         return this.eventBus;
     }
 
-    private boolean shouldPost(Class<? extends LuckPermsEvent> eventClass){
+    private boolean shouldPost(Class<? extends LuckPermsEvent> eventClass) {
         return this.eventBus.shouldPost(eventClass);
     }