diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/base/BaseSecurityTokenActivity.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/base/BaseSecurityTokenActivity.java
index e98277891..394b31318 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/base/BaseSecurityTokenActivity.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/base/BaseSecurityTokenActivity.java
@@ -45,6 +45,7 @@ import org.sufficientlysecure.keychain.securitytoken.SecurityTokenInfo;
 import org.sufficientlysecure.keychain.securitytoken.SecurityTokenInfo.TokenType;
 import org.sufficientlysecure.keychain.securitytoken.Transport;
 import org.sufficientlysecure.keychain.securitytoken.UsbConnectionDispatcher;
+import org.sufficientlysecure.keychain.securitytoken.usb.UnsupportedUsbTokenException;
 import org.sufficientlysecure.keychain.securitytoken.usb.UsbTransport;
 import org.sufficientlysecure.keychain.securitytoken.usb.UsbTransportException;
 import org.sufficientlysecure.keychain.service.PassphraseCacheService;
@@ -232,6 +233,11 @@ public abstract class BaseSecurityTokenActivity extends BaseActivity
     private void handleSecurityTokenError(SecurityTokenConnection stConnection, IOException e) {
         Log.d(Constants.TAG, "Exception in handleSecurityTokenError", e);
 
+        if (e instanceof UnsupportedUsbTokenException) {
+            onSecurityTokenError(getString(R.string.security_token_not_supported));
+            return;
+        }
+
         if (e instanceof TagLostException) {
             onSecurityTokenError(getString(R.string.security_token_error_tag_lost));
             return;
diff --git a/OpenKeychain/src/main/res/values/strings.xml b/OpenKeychain/src/main/res/values/strings.xml
index cf2ab4b5f..062f4d968 100644
--- a/OpenKeychain/src/main/res/values/strings.xml
+++ b/OpenKeychain/src/main/res/values/strings.xml
@@ -1597,6 +1597,7 @@
     <string name="security_token_error_iso_dep_not_supported">"Security Token does not support the required communication standard (ISO-DEP, ISO 14443-4)"</string>
     <string name="security_token_error_generic">"Communication error. Most probably, the Security Token has been taken off too early."</string>
     <string name="security_token_error_try_again">"Try again"</string>
+    <string name="security_token_not_supported">"This Security Token is not yet supported by OpenKeychain"</string>
     <string name="btn_delete_original">Delete original file</string>
 
     <string name="snack_encrypt_filenames_on">"Filenames <b>are</b> encrypted."</string>