diff --git a/backend/src/main/java/de/cotto/lndmanagej/service/LiquidityBoundsService.java b/backend/src/main/java/de/cotto/lndmanagej/service/LiquidityBoundsService.java
index 03635619..0ae5b0fc 100644
--- a/backend/src/main/java/de/cotto/lndmanagej/service/LiquidityBoundsService.java
+++ b/backend/src/main/java/de/cotto/lndmanagej/service/LiquidityBoundsService.java
@@ -77,7 +77,6 @@ public class LiquidityBoundsService {
 
     public void markAsMoved(Pubkey source, Pubkey target, Coins amount) {
         update(source, target, amount, LiquidityBounds::withMovedCoins);
-
     }
 
     public void markAsAvailable(Pubkey source, Pubkey target, Coins amount) {
diff --git a/backend/src/main/java/de/cotto/lndmanagej/service/LiquidityInformationUpdater.java b/backend/src/main/java/de/cotto/lndmanagej/service/LiquidityInformationUpdater.java
index 57d7ae07..4356094b 100644
--- a/backend/src/main/java/de/cotto/lndmanagej/service/LiquidityInformationUpdater.java
+++ b/backend/src/main/java/de/cotto/lndmanagej/service/LiquidityInformationUpdater.java
@@ -60,7 +60,7 @@ public class LiquidityInformationUpdater implements PaymentListener {
             case TEMPORARY_CHANNEL_FAILURE ->
                     markAvailableAndUnavailable(paymentAttemptHops, failureSourceIndex, PaymentAttemptHop::amount);
             case UNKNOWN_NEXT_PEER, CHANNEL_DISABLED, FEE_INSUFFICIENT ->
-                    markAvailableAndUnavailable(paymentAttemptHops, failureSourceIndex, hop -> Coins.ofSatoshis(1));
+                    markAvailableAndUnavailable(paymentAttemptHops, failureSourceIndex, hop -> Coins.ofSatoshis(2));
             case MPP_TIMEOUT, INCORRECT_OR_UNKNOWN_PAYMENT_DETAILS ->
                     markAllAvailable(paymentAttemptHops, failureSourceIndex);
             default -> logger.warn("Unknown failure code {}", failureCode);
diff --git a/backend/src/test/java/de/cotto/lndmanagej/service/LiquidityInformationUpdaterTest.java b/backend/src/test/java/de/cotto/lndmanagej/service/LiquidityInformationUpdaterTest.java
index b1e3ba55..a195afcb 100644
--- a/backend/src/test/java/de/cotto/lndmanagej/service/LiquidityInformationUpdaterTest.java
+++ b/backend/src/test/java/de/cotto/lndmanagej/service/LiquidityInformationUpdaterTest.java
@@ -179,12 +179,12 @@ class LiquidityInformationUpdaterTest {
 
     @Nested
     class UnknownNextPeer {
-        private final Coins oneSatoshi = Coins.ofSatoshis(1);
+        private final Coins twoSatoshis = Coins.ofSatoshis(2); // see ChannelDisabled
 
         @Test
         void from_sending_node() {
             liquidityInformationUpdater.failure(hopsWithChannelIdsAndPubkeys, UNKNOWN_NEXT_PEER, 0);
-            verify(liquidityBoundsService).markAsUnavailable(PUBKEY, PUBKEY_2, oneSatoshi);
+            verify(liquidityBoundsService).markAsUnavailable(PUBKEY, PUBKEY_2, twoSatoshis);
             verifyRemovesInFlightForAllHops();
             verifyNoMoreInteractions(liquidityBoundsService);
         }
@@ -193,7 +193,7 @@ class LiquidityInformationUpdaterTest {
         void after_first_hop() {
             liquidityInformationUpdater.failure(hopsWithChannelIdsAndPubkeys, UNKNOWN_NEXT_PEER, 1);
             verify(liquidityBoundsService).markAsAvailable(PUBKEY, PUBKEY_2, Coins.ofSatoshis(100));
-            verify(liquidityBoundsService).markAsUnavailable(PUBKEY_2, PUBKEY_3, oneSatoshi);
+            verify(liquidityBoundsService).markAsUnavailable(PUBKEY_2, PUBKEY_3, twoSatoshis);
             verifyRemovesInFlightForAllHops();
             verifyNoMoreInteractions(liquidityBoundsService);
         }
@@ -203,7 +203,7 @@ class LiquidityInformationUpdaterTest {
             liquidityInformationUpdater.failure(hopsWithChannelIdsAndPubkeys, UNKNOWN_NEXT_PEER, 2);
             verify(liquidityBoundsService).markAsAvailable(PUBKEY, PUBKEY_2, Coins.ofSatoshis(100));
             verify(liquidityBoundsService).markAsAvailable(PUBKEY_2, PUBKEY_3, Coins.ofSatoshis(90));
-            verify(liquidityBoundsService).markAsUnavailable(PUBKEY_3, PUBKEY_4, oneSatoshi);
+            verify(liquidityBoundsService).markAsUnavailable(PUBKEY_3, PUBKEY_4, twoSatoshis);
             verifyRemovesInFlightForAllHops();
         }
 
@@ -221,7 +221,7 @@ class LiquidityInformationUpdaterTest {
             liquidityInformationUpdater.failure(hopsWithChannelIds, UNKNOWN_NEXT_PEER, 2);
             verify(liquidityBoundsService).markAsAvailable(PUBKEY, PUBKEY_2, Coins.ofSatoshis(100));
             verify(liquidityBoundsService).markAsAvailable(PUBKEY_2, PUBKEY_3, Coins.ofSatoshis(90));
-            verify(liquidityBoundsService).markAsUnavailable(PUBKEY_3, PUBKEY_4, oneSatoshi);
+            verify(liquidityBoundsService).markAsUnavailable(PUBKEY_3, PUBKEY_4, twoSatoshis);
             verifyRemovesInFlightForAllHops();
         }
 
@@ -234,12 +234,18 @@ class LiquidityInformationUpdaterTest {
 
     @Nested
     class ChannelDisabled {
-        private final Coins oneSatoshi = Coins.ofSatoshis(1);
+        /*
+         * Set upper bound to non-zero amount (2sat unavailable => 1sat upper bound) so that the liquidity information
+         * for this channel is kept for a while. If we reset the upper bound to 0, this effectively resets the upper
+         * bound to the channel capacity - which might cause the algorithm to attempt to route through the disabled
+         * channel again.
+         */
+        private final Coins twoSatoshis = Coins.ofSatoshis(2);
 
         @Test
         void from_sending_node() {
             liquidityInformationUpdater.failure(hopsWithChannelIdsAndPubkeys, CHANNEL_DISABLED, 0);
-            verify(liquidityBoundsService).markAsUnavailable(PUBKEY, PUBKEY_2, oneSatoshi);
+            verify(liquidityBoundsService).markAsUnavailable(PUBKEY, PUBKEY_2, twoSatoshis);
             verifyRemovesInFlightForAllHops();
             verifyNoMoreInteractions(liquidityBoundsService);
         }
@@ -248,7 +254,7 @@ class LiquidityInformationUpdaterTest {
         void after_first_hop() {
             liquidityInformationUpdater.failure(hopsWithChannelIdsAndPubkeys, CHANNEL_DISABLED, 1);
             verify(liquidityBoundsService).markAsAvailable(PUBKEY, PUBKEY_2, Coins.ofSatoshis(100));
-            verify(liquidityBoundsService).markAsUnavailable(PUBKEY_2, PUBKEY_3, oneSatoshi);
+            verify(liquidityBoundsService).markAsUnavailable(PUBKEY_2, PUBKEY_3, twoSatoshis);
             verifyRemovesInFlightForAllHops();
             verifyNoMoreInteractions(liquidityBoundsService);
         }
@@ -258,7 +264,7 @@ class LiquidityInformationUpdaterTest {
             liquidityInformationUpdater.failure(hopsWithChannelIdsAndPubkeys, CHANNEL_DISABLED, 2);
             verify(liquidityBoundsService).markAsAvailable(PUBKEY, PUBKEY_2, Coins.ofSatoshis(100));
             verify(liquidityBoundsService).markAsAvailable(PUBKEY_2, PUBKEY_3, Coins.ofSatoshis(90));
-            verify(liquidityBoundsService).markAsUnavailable(PUBKEY_3, PUBKEY_4, oneSatoshi);
+            verify(liquidityBoundsService).markAsUnavailable(PUBKEY_3, PUBKEY_4, twoSatoshis);
             verifyRemovesInFlightForAllHops();
         }
 
@@ -276,7 +282,7 @@ class LiquidityInformationUpdaterTest {
             liquidityInformationUpdater.failure(hopsWithChannelIds, CHANNEL_DISABLED, 2);
             verify(liquidityBoundsService).markAsAvailable(PUBKEY, PUBKEY_2, Coins.ofSatoshis(100));
             verify(liquidityBoundsService).markAsAvailable(PUBKEY_2, PUBKEY_3, Coins.ofSatoshis(90));
-            verify(liquidityBoundsService).markAsUnavailable(PUBKEY_3, PUBKEY_4, oneSatoshi);
+            verify(liquidityBoundsService).markAsUnavailable(PUBKEY_3, PUBKEY_4, twoSatoshis);
             verifyRemovesInFlightForAllHops();
         }
 
@@ -401,10 +407,12 @@ class LiquidityInformationUpdaterTest {
     @Test
     void feeInsufficient_is_treated_as_channel_failure() {
         liquidityInformationUpdater.failure(hopsWithChannelIds, FEE_INSUFFICIENT, 2);
+        verifyRemovesInFlightForAllHops();
         verify(liquidityBoundsService).markAsAvailable(PUBKEY, PUBKEY_2, Coins.ofSatoshis(100));
         verify(liquidityBoundsService).markAsAvailable(PUBKEY_2, PUBKEY_3, Coins.ofSatoshis(90));
-        verify(liquidityBoundsService).markAsUnavailable(PUBKEY_3, PUBKEY_4, Coins.ofSatoshis(1));
-        verifyRemovesInFlightForAllHops();
+
+        // see ChannelDisabled
+        verify(liquidityBoundsService).markAsUnavailable(PUBKEY_3, PUBKEY_4, Coins.ofSatoshis(2));
     }
 
     @Test