diff --git a/application/src/main/resources/application.properties b/application/src/main/resources/application.properties
index 46dc61a8..a599f1df 100644
--- a/application/src/main/resources/application.properties
+++ b/application/src/main/resources/application.properties
@@ -15,8 +15,6 @@ spring.jpa.hibernate.ddl-auto=update
 spring.jpa.database-platform=org.hibernate.dialect.PostgreSQL10Dialect
 spring.flyway.baseline-on-migrate=true
 
-spring.jackson.serialization.INDENT_OUTPUT=true
-
 resilience4j.ratelimiter.instances.blockcypher.limit-for-period=3
 resilience4j.ratelimiter.instances.blockcypher.limit-refresh-period=1s
 resilience4j.ratelimiter.instances.blockcypher.timeout-duration=100ms
diff --git a/web/src/integrationTest/java/de/cotto/lndmanagej/controller/ObjectMapperConfigurationIT.java b/web/src/integrationTest/java/de/cotto/lndmanagej/controller/ObjectMapperConfigurationIT.java
new file mode 100644
index 00000000..70b1d371
--- /dev/null
+++ b/web/src/integrationTest/java/de/cotto/lndmanagej/controller/ObjectMapperConfigurationIT.java
@@ -0,0 +1,46 @@
+package de.cotto.lndmanagej.controller;
+
+import de.cotto.lndmanagej.controller.dto.ObjectMapperConfiguration;
+import de.cotto.lndmanagej.model.ChannelIdResolver;
+import de.cotto.lndmanagej.service.ChannelService;
+import de.cotto.lndmanagej.service.OwnNodeService;
+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.mock.mockito.MockBean;
+import org.springframework.context.annotation.Import;
+import org.springframework.test.web.servlet.MockMvc;
+
+import java.util.Set;
+
+import static de.cotto.lndmanagej.model.LocalOpenChannelFixtures.LOCAL_OPEN_CHANNEL;
+import static org.mockito.Mockito.when;
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.content;
+
+@WebMvcTest(controllers = StatusController.class)
+@Import(ObjectMapperConfiguration.class)
+class ObjectMapperConfigurationIT {
+    private static final String PREFIX = "/api/status/";
+
+    @Autowired
+    private MockMvc mockMvc;
+
+    @MockBean
+    @SuppressWarnings("unused")
+    private ChannelIdResolver channelIdResolver;
+
+    @MockBean
+    private ChannelService channelService;
+
+    @MockBean
+    @SuppressWarnings("unused")
+    private OwnNodeService ownNodeService;
+
+    @Test
+    void output_is_pretty_printed() throws Exception {
+        when(channelService.getOpenChannels()).thenReturn(Set.of(LOCAL_OPEN_CHANNEL));
+        mockMvc.perform(get(PREFIX + "/open-channels/"))
+                .andExpect(content().string("{\n  \"channels\" : [ \"712345x123x1\" ]\n}"));
+    }
+}
\ No newline at end of file
diff --git a/web/src/main/java/de/cotto/lndmanagej/controller/dto/ObjectMapperConfiguration.java b/web/src/main/java/de/cotto/lndmanagej/controller/dto/ObjectMapperConfiguration.java
index 3aeac5c5..9a54374d 100644
--- a/web/src/main/java/de/cotto/lndmanagej/controller/dto/ObjectMapperConfiguration.java
+++ b/web/src/main/java/de/cotto/lndmanagej/controller/dto/ObjectMapperConfiguration.java
@@ -1,6 +1,7 @@
 package de.cotto.lndmanagej.controller.dto;
 
 import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.SerializationFeature;
 import com.fasterxml.jackson.databind.module.SimpleModule;
 import com.fasterxml.jackson.databind.ser.std.ToStringSerializer;
 import de.cotto.lndmanagej.model.ChannelId;
@@ -26,6 +27,8 @@ public class ObjectMapperConfiguration {
         module.addSerializer(ChannelId.class, new ToStringSerializer());
         module.addSerializer(ChannelPoint.class, new ToStringSerializer());
         module.addSerializer(ZonedDateTime.class, new ToStringSerializer());
-        return new ObjectMapper().registerModule(module);
+        ObjectMapper objectMapper = new ObjectMapper().registerModule(module);
+        objectMapper.enable(SerializationFeature.INDENT_OUTPUT);
+        return objectMapper;
     }
 }