diff --git a/ui/src/integrationTest/java/de/cotto/lndmanagej/ui/DashboardControllerIT.java b/ui/src/integrationTest/java/de/cotto/lndmanagej/ui/DashboardControllerIT.java
index 0965ad92..9b5a9a20 100644
--- a/ui/src/integrationTest/java/de/cotto/lndmanagej/ui/DashboardControllerIT.java
+++ b/ui/src/integrationTest/java/de/cotto/lndmanagej/ui/DashboardControllerIT.java
@@ -5,12 +5,15 @@ import de.cotto.lndmanagej.ui.controller.DashboardController;
 import de.cotto.lndmanagej.ui.dto.NodeDto;
 import de.cotto.lndmanagej.ui.dto.OpenChannelDto;
 import de.cotto.lndmanagej.ui.dto.StatusModel;
+import de.cotto.lndmanagej.ui.formatting.Formatter;
 import de.cotto.lndmanagej.ui.page.PageService;
 import de.cotto.lndmanagej.ui.page.general.DashboardPage;
 import org.junit.jupiter.api.Test;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.autoconfigure.web.servlet.WebMvcTest;
+import org.springframework.boot.test.context.TestConfiguration;
 import org.springframework.boot.test.mock.mockito.MockBean;
+import org.springframework.context.annotation.Bean;
 import org.springframework.test.web.servlet.MockMvc;
 
 import java.util.List;
@@ -51,4 +54,12 @@ class DashboardControllerIT {
         );
         mockMvc.perform(get("/")).andExpect(status().isOk());
     }
+
+    @TestConfiguration
+    static class AdditionalConfiguration {
+        @Bean
+        public Formatter formatter() {
+            return new Formatter();
+        }
+    }
 }
diff --git a/ui/src/main/java/de/cotto/lndmanagej/ui/formatting/Formatter.java b/ui/src/main/java/de/cotto/lndmanagej/ui/formatting/Formatter.java
new file mode 100644
index 00000000..40454230
--- /dev/null
+++ b/ui/src/main/java/de/cotto/lndmanagej/ui/formatting/Formatter.java
@@ -0,0 +1,16 @@
+package de.cotto.lndmanagej.ui.formatting;
+
+import org.springframework.stereotype.Component;
+
+import java.text.NumberFormat;
+
+@Component
+public class Formatter {
+    public Formatter() {
+        // default constructor
+    }
+
+    public String formatNumber(long value) {
+        return NumberFormat.getInstance().format(value);
+    }
+}
diff --git a/ui/src/main/java/de/cotto/lndmanagej/ui/formatting/NumberFormatter.java b/ui/src/main/java/de/cotto/lndmanagej/ui/formatting/NumberFormatter.java
deleted file mode 100644
index 594abf86..00000000
--- a/ui/src/main/java/de/cotto/lndmanagej/ui/formatting/NumberFormatter.java
+++ /dev/null
@@ -1,13 +0,0 @@
-package de.cotto.lndmanagej.ui.formatting;
-
-import java.text.NumberFormat;
-
-public final class NumberFormatter {
-    private NumberFormatter() {
-        // utility class
-    }
-
-    public static String format(long value) {
-        return NumberFormat.getInstance().format(value);
-    }
-}
diff --git a/ui/src/main/resources/templates/fragments/channel-collections.html b/ui/src/main/resources/templates/fragments/channel-collections.html
index 7badd993..dd9f04e8 100644
--- a/ui/src/main/resources/templates/fragments/channel-collections.html
+++ b/ui/src/main/resources/templates/fragments/channel-collections.html
@@ -19,9 +19,9 @@
         </thead>
         <tbody>
         <tr th:each="channel : ${channels}">
-            <td th:text="${T(de.cotto.lndmanagej.ui.formatting.NumberFormatter).format(channel.inbound)}" style="color: darkRed; text-align: right; padding-left:0;"></td>
+            <td th:text="${@formatter.formatNumber(channel.inbound)}" style="color: darkRed; text-align: right; padding-left:0;"></td>
             <td th:text="${channel.ratio}"></td>
-            <td th:text="${T(de.cotto.lndmanagej.ui.formatting.NumberFormatter).format(channel.outbound)}" style="color: darkGreen; text-align: right;"></td>
+            <td th:text="${@formatter.formatNumber(channel.outbound)}" style="color: darkGreen; text-align: right;"></td>
             <td th:text="${channel.policies.local.baseFeeMilliSat}" style="text-align: right;"></td>
             <td th:text="${channel.policies.local.feeRatePpm}" style="text-align: right;"></td>
             <td th:text="${channel.policies.remote.baseFeeMilliSat}" style="text-align: right;"></td>
diff --git a/ui/src/test/java/de/cotto/lndmanagej/ui/formatting/FormatterTest.java b/ui/src/test/java/de/cotto/lndmanagej/ui/formatting/FormatterTest.java
new file mode 100644
index 00000000..e155a97b
--- /dev/null
+++ b/ui/src/test/java/de/cotto/lndmanagej/ui/formatting/FormatterTest.java
@@ -0,0 +1,29 @@
+package de.cotto.lndmanagej.ui.formatting;
+
+import org.junit.jupiter.api.Test;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+class FormatterTest {
+    private final Formatter formatter = new Formatter();
+
+    @Test
+    void formatNumber_small_number() {
+        assertThat(formatter.formatNumber(123)).isEqualTo("123");
+    }
+
+    @Test
+    void formatNumber_large_number() {
+        assertThat(formatter.formatNumber(123_456_781_111L)).isEqualTo("123,456,781,111");
+    }
+
+    @Test
+    void formatNumber_negative_number() {
+        assertThat(formatter.formatNumber(-123_456_781_111L)).isEqualTo("-123,456,781,111");
+    }
+
+    @Test
+    void formatNumber_zero() {
+        assertThat(formatter.formatNumber(0)).isEqualTo("0");
+    }
+}
diff --git a/ui/src/test/java/de/cotto/lndmanagej/ui/formatting/NumberFormatterTest.java b/ui/src/test/java/de/cotto/lndmanagej/ui/formatting/NumberFormatterTest.java
deleted file mode 100644
index f22de683..00000000
--- a/ui/src/test/java/de/cotto/lndmanagej/ui/formatting/NumberFormatterTest.java
+++ /dev/null
@@ -1,27 +0,0 @@
-package de.cotto.lndmanagej.ui.formatting;
-
-import org.junit.jupiter.api.Test;
-
-import static org.assertj.core.api.Assertions.assertThat;
-
-class NumberFormatterTest {
-    @Test
-    void format_small_number() {
-        assertThat(NumberFormatter.format(123)).isEqualTo("123");
-    }
-
-    @Test
-    void format_large_number() {
-        assertThat(NumberFormatter.format(123_456_781_111L)).isEqualTo("123,456,781,111");
-    }
-
-    @Test
-    void format_negative_number() {
-        assertThat(NumberFormatter.format(-123_456_781_111L)).isEqualTo("-123,456,781,111");
-    }
-
-    @Test
-    void format_zero() {
-        assertThat(NumberFormatter.format(0)).isEqualTo("0");
-    }
-}