diff --git a/app/src/main/java/com/zeapo/pwdstore/SshKeyGen.java b/app/src/main/java/com/zeapo/pwdstore/SshKeyGen.java
index 11db75b4..40c44065 100644
--- a/app/src/main/java/com/zeapo/pwdstore/SshKeyGen.java
+++ b/app/src/main/java/com/zeapo/pwdstore/SshKeyGen.java
@@ -175,7 +175,11 @@ public class SshKeyGen extends AppCompatActivity {
 
                 File file = new File(getFilesDir() + "/.ssh_key");
                 FileOutputStream out = new FileOutputStream(file, false);
-                kp.writePrivateKey(out, passphrase.getBytes());
+                if (passphrase.length() > 0) {
+                    kp.writePrivateKey(out, passphrase.getBytes());
+                } else {
+                    kp.writePrivateKey(out);
+                }
 
                 file = new File(getFilesDir() + "/.ssh_key.pub");
                 out = new FileOutputStream(file, false);