diff --git a/src/main/java/net/schmizz/sshj/transport/random/BouncyCastleRandom.java b/src/main/java/net/schmizz/sshj/transport/random/BouncyCastleRandom.java
index f21641b5..342c6466 100644
--- a/src/main/java/net/schmizz/sshj/transport/random/BouncyCastleRandom.java
+++ b/src/main/java/net/schmizz/sshj/transport/random/BouncyCastleRandom.java
@@ -58,10 +58,9 @@ public class BouncyCastleRandom
 
     }
 
-    private final RandomGenerator random;
+    private final RandomGenerator random = new VMPCRandomGenerator();
 
     public BouncyCastleRandom() {
-        random = new VMPCRandomGenerator();
         byte[] seed = new SecureRandom().generateSeed(8);
         random.addSeedMaterial(seed);
     }
diff --git a/src/main/java/net/schmizz/sshj/transport/random/JCERandom.java b/src/main/java/net/schmizz/sshj/transport/random/JCERandom.java
index a605fe36..13fc4ae1 100644
--- a/src/main/java/net/schmizz/sshj/transport/random/JCERandom.java
+++ b/src/main/java/net/schmizz/sshj/transport/random/JCERandom.java
@@ -58,11 +58,7 @@ public class JCERandom
     }
 
     private byte[] tmp = new byte[16];
-    private SecureRandom random = null;
-
-    public JCERandom() {
-        random = new SecureRandom();
-    }
+    private final SecureRandom random = new SecureRandom();
 
     /**
      * Fill the given byte-array with random bytes from this PRNG.