diff --git a/src/main/java/com/sparrowwallet/sparrow/transaction/HeadersController.java b/src/main/java/com/sparrowwallet/sparrow/transaction/HeadersController.java
index f0d1aad2..642f9e0a 100644
--- a/src/main/java/com/sparrowwallet/sparrow/transaction/HeadersController.java
+++ b/src/main/java/com/sparrowwallet/sparrow/transaction/HeadersController.java
@@ -1107,7 +1107,14 @@ public class HeadersController extends TransactionFormController implements Init
         broadcastTransactionService.setOnFailed(workerStateEvent -> {
             broadcastProgressBar.setProgress(0);
             log.error("Error broadcasting transaction", workerStateEvent.getSource().getException());
-            AppServices.showErrorDialog("Error broadcasting transaction", "The server returned an error when broadcasting the transaction. The server response is contained in the log (See Help > Show Log File).");
+            if(workerStateEvent.getSource().getException() != null && workerStateEvent.getSource().getException().getMessage() != null
+                    && workerStateEvent.getSource().getException().getMessage().startsWith("min relay fee not met")) {
+                AppServices.showErrorDialog("Error broadcasting transaction", "The fee rate for the signed transaction is below the minimum " + AppServices.getMinimumRelayFeeRate() + " sats/vB. " +
+                        "This usually happens because a keystore has created a signature that is larger than necessary.\n\n" +
+                        "You can solve this by recreating the transaction with a slightly increased fee rate.");
+            } else {
+                AppServices.showErrorDialog("Error broadcasting transaction", "The server returned an error when broadcasting the transaction. The server response is contained in the log (See Help > Show Log File).");
+            }
             broadcastButton.setDisable(false);
         });