diff --git a/LaunchServer/src/main/java/pro/gravit/launchserver/LaunchServerStarter.java b/LaunchServer/src/main/java/pro/gravit/launchserver/LaunchServerStarter.java
index 0c2079d9..a8e858b4 100644
--- a/LaunchServer/src/main/java/pro/gravit/launchserver/LaunchServerStarter.java
+++ b/LaunchServer/src/main/java/pro/gravit/launchserver/LaunchServerStarter.java
@@ -61,7 +61,13 @@ public static void main(String[] args) throws Exception {
         Path privateKeyFile = dir.resolve("private.key");
         ECPublicKey publicKey;
         ECPrivateKey privateKey;
-        Security.addProvider(new BouncyCastleProvider());
+        try {
+            Class.forName("org.bouncycastle.jce.provider.BouncyCastleProvider");
+            Security.addProvider(new BouncyCastleProvider());
+        } catch (ClassNotFoundException ex) {
+            LogHelper.error("Library BouncyCastle not found! Is directory 'libraries' empty?");
+            return;
+        }
         CertificateManager certificateManager = new CertificateManager();
         try {
             certificateManager.readTrustStore(dir.resolve("truststore"));