diff --git a/src/main/java/fi/flexplex/connect/FlexConnect.java b/src/main/java/fi/flexplex/connect/FlexConnect.java
index 887cfdc..c058b68 100644
--- a/src/main/java/fi/flexplex/connect/FlexConnect.java
+++ b/src/main/java/fi/flexplex/connect/FlexConnect.java
@@ -55,21 +55,53 @@ public final class FlexConnect extends JavaPlugin {
         // Check paper config
         boolean paperConfigModified = false;
         final YamlConfiguration paperConfig = this.getServer().spigot().getPaperConfig();
-        if (!paperConfig.getBoolean("settings.velocity-support.enabled")) {
-            paperConfig.set("settings.velocity-support.enabled", true);
-            paperConfigModified = true;
+
+        // Legacy paper configs (1.18 or older)
+        if (paperConfig.contains("settings.velocity-support.enabled")) {
+            if (!paperConfig.getBoolean("settings.velocity-support.enabled")) {
+                paperConfig.set("settings.velocity-support.enabled", true);
+                paperConfigModified = true;
+            }
         }
-        if (!paperConfig.getBoolean("settings.velocity-support.enabled")) {
-            paperConfig.set("settings.velocity-support.online-mode", true);
-            paperConfigModified = true;
+        if (paperConfig.contains("settings.velocity-support.online-mode")) {
+            if (!paperConfig.getBoolean("settings.velocity-support.online-mode")) {
+                paperConfig.set("settings.velocity-support.online-mode", true);
+                paperConfigModified = true;
+            }
         }
-        if (!paperConfig.getString("settings.velocity-support.secret").equals("flexplex")) {
-            paperConfig.set("settings.velocity-support.secret", "flexplex");
-            paperConfigModified = true;
+        if (paperConfig.contains("settings.velocity-support.secret")) {
+            if (!paperConfig.getString("settings.velocity-support.secret").equals("flexplex")) {
+                paperConfig.set("settings.velocity-support.secret", "flexplex");
+                paperConfigModified = true;
+            }
         }
-        if (paperConfig.getBoolean("settings.unsupported-settings.perform-username-validation")) {
-            paperConfig.set("settings.unsupported-settings.perform-username-validation", false);
-            paperConfigModified = true;
+
+        // Current paper configurations 1.19+
+        if (paperConfig.contains("proxies.velocity.enabled")) {
+            if (!paperConfig.getBoolean("proxies.velocity.enabled")) {
+                paperConfig.set("proxies.velocity.enabled", true);
+                paperConfigModified = true;
+            }
+        }
+        if (paperConfig.contains("proxies.velocity.online-mode")) {
+            if (!paperConfig.getBoolean("proxies.velocity.online-mode")) {
+                paperConfig.set("proxies.velocity.online-mode", true);
+                paperConfigModified = true;
+            }
+        }
+        if (paperConfig.contains("proxies.velocity.secret")) {
+            if (!paperConfig.getString("proxies.velocity.secret").equals("flexplex")) {
+                paperConfig.set("proxies.velocity.secret", "flexplex");
+                paperConfigModified = true;
+            }
+        }
+
+        // In both configurations
+        if (paperConfig.contains("settings.unsupported-settings.perform-username-validation")) {
+            if (paperConfig.getBoolean("settings.unsupported-settings.perform-username-validation")) {
+                paperConfig.set("settings.unsupported-settings.perform-username-validation", false);
+                paperConfigModified = true;
+            }
         }
         
         if (paperConfigModified) {