diff --git a/src/main/java/eu/siacs/conversations/ui/XmppActivity.java b/src/main/java/eu/siacs/conversations/ui/XmppActivity.java
index 36e82b2a7..a9d2bc856 100644
--- a/src/main/java/eu/siacs/conversations/ui/XmppActivity.java
+++ b/src/main/java/eu/siacs/conversations/ui/XmppActivity.java
@@ -786,8 +786,32 @@ public abstract class XmppActivity extends Activity {
 				new DialogInterface.OnClickListener() {
 					@Override
 					public void onClick(DialogInterface dialog, int which) {
-						account.getAxolotlService().purgeKey(fingerprint);
-						refreshUi();
+						Builder builder = new Builder(XmppActivity.this);
+						builder.setTitle(getString(R.string.purge_key));
+						builder.setIconAttribute(android.R.attr.alertDialogIcon);
+						builder.setMessage(getString(R.string.purge_key_warning));
+						builder.setNegativeButton(getString(R.string.cancel), null);
+						builder.setPositiveButton(getString(R.string.accept),
+								new DialogInterface.OnClickListener() {
+									@Override
+									public void onClick(DialogInterface dialog, int which) {
+										Builder builder = new Builder(XmppActivity.this);
+										builder.setTitle(getString(R.string.purge_key));
+										builder.setIconAttribute(android.R.attr.alertDialogIcon);
+										builder.setMessage(getString(R.string.purge_key_warning2));
+										builder.setNegativeButton(getString(R.string.cancel), null);
+										builder.setPositiveButton(getString(R.string.accept),
+												new DialogInterface.OnClickListener() {
+													@Override
+													public void onClick(DialogInterface dialog, int which) {
+														account.getAxolotlService().purgeKey(fingerprint);
+														refreshUi();
+													}
+												});
+										builder.create().show();
+									}
+								});
+						builder.create().show();
 					}
 				});
 		builder.create().show();
diff --git a/src/main/res/values/strings.xml b/src/main/res/values/strings.xml
index cdb5ae22b..4eb518e50 100644
--- a/src/main/res/values/strings.xml
+++ b/src/main/res/values/strings.xml
@@ -408,6 +408,8 @@
 	<string name="purge_key">Purge key</string>
 	<string name="purge_key_desc_part1">Are you sure you want to purge this key?</string>
 	<string name="purge_key_desc_part2">It will irreversibly be considered compromised, and you can never build a session with it again.</string>
+	<string name="purge_key_warning">Did you press purge because you are trying to fix some problem? If so, please cancel. This functionality will NOT fix your problem.</string>
+	<string name="purge_key_warning2">Are you sure? You CAN NOT undo this. You have been warned.</string>
 	<string name="error_no_keys_to_trust">There are no usable keys available for this contact. If you have purged any of their keys, they need to generate new ones.</string>
 	<string name="error_trustkeys_title">Error</string>
 	<string name="fetching_history_from_server">Fetching history from server</string>