diff --git a/core/src/main/java/bisq/core/user/Preferences.java b/core/src/main/java/bisq/core/user/Preferences.java
index 890e531571..ca64f523ee 100644
--- a/core/src/main/java/bisq/core/user/Preferences.java
+++ b/core/src/main/java/bisq/core/user/Preferences.java
@@ -318,7 +318,7 @@ private void setupPreferences() {
 
         // a list of previously-used federated explorers
         // if user preference references any deprecated explorers we need to select a new valid explorer
-        String deprecatedExplorers = "(bsq.bisq.cc|bsq.vante.me|bsq.emzy.de|bsq.sqrrm.net|bsq.bisq.services|bsq.ninja).*";
+        String deprecatedExplorers = "(bsq.bisq.cc|bsq.vante.me|bsq.emzy.de|bsq.sqrrm.net|bsq.bisq.services|bsq.ninja|bisq.mempool.emzy.de).*";
 
         // if no valid Bitcoin block explorer is set, select the 1st valid Bitcoin block explorer
         ArrayList<BlockChainExplorer> btcExplorers = getBlockChainExplorers();