diff --git a/src/main/java/io/jenkins/plugins/opentelemetry/job/MonitoringRunListener.java b/src/main/java/io/jenkins/plugins/opentelemetry/job/MonitoringRunListener.java
index ace918de5..f57e960fe 100644
--- a/src/main/java/io/jenkins/plugins/opentelemetry/job/MonitoringRunListener.java
+++ b/src/main/java/io/jenkins/plugins/opentelemetry/job/MonitoringRunListener.java
@@ -74,7 +74,7 @@ public class MonitoringRunListener extends OtelContextAwareAbstractRunListener i
 
     protected static final Logger LOGGER = Logger.getLogger(MonitoringRunListener.class.getName());
 
-    private AtomicInteger activeRun;
+    private AtomicInteger activeRunGauge;
     private List<CauseHandler> causeHandlers;
     private LongCounter runLaunchedCounter;
     private LongCounter runStartedCounter;
@@ -103,12 +103,12 @@ public void postConstruct() {
         this.runHandlers = runHandlers;
 
         // METRICS
-        activeRun = new AtomicInteger();
-            meter.gaugeBuilder(JenkinsSemanticMetrics.CI_PIPELINE_RUN_ACTIVE)
-                .ofLongs()
-                .setDescription("Gauge of active jobs")
-                .setUnit("1")
-                .buildWithCallback(valueObserver -> this.activeRun.get());
+        activeRunGauge = new AtomicInteger();
+        meter.gaugeBuilder(JenkinsSemanticMetrics.CI_PIPELINE_RUN_ACTIVE)
+            .ofLongs()
+            .setDescription("Gauge of active jobs")
+            .setUnit("{jobs}")
+            .buildWithCallback(valueObserver -> valueObserver.record(this.activeRunGauge.get()));
         runLaunchedCounter =
                 meter.counterBuilder(JenkinsSemanticMetrics.CI_PIPELINE_RUN_LAUNCHED)
                         .setDescription("Job launched")
@@ -156,7 +156,7 @@ public CauseHandler getCauseHandler(@NonNull Cause cause) throws NoSuchElementEx
     public void _onInitialize(@NonNull Run run) {
         LOGGER.log(Level.FINE, () -> run.getFullDisplayName() + " - onInitialize");
 
-        activeRun.incrementAndGet();
+        activeRunGauge.incrementAndGet();
 
         RunHandler runHandler = getRunHandlers().stream().filter(rh -> rh.canCreateSpanBuilder(run)).findFirst()
             .orElseThrow((Supplier<RuntimeException>) () -> new IllegalStateException("No RunHandler found for run " + run.getClass() + " - " + run));
@@ -396,7 +396,7 @@ public void _onFinalized(@NonNull Run run) {
                 this.runAbortedCounter.add(1);
             }
         } finally {
-            activeRun.decrementAndGet();
+            activeRunGauge.decrementAndGet();
         }
     }