diff --git a/extensions/observability-devservices/testcontainers/src/main/resources/grafana-dashboard-quarkus-micrometer-otlp.json b/extensions/observability-devservices/testcontainers/src/main/resources/grafana-dashboard-quarkus-micrometer-otlp.json
index ea52fa71f44b0..3d91e07220a07 100644
--- a/extensions/observability-devservices/testcontainers/src/main/resources/grafana-dashboard-quarkus-micrometer-otlp.json
+++ b/extensions/observability-devservices/testcontainers/src/main/resources/grafana-dashboard-quarkus-micrometer-otlp.json
@@ -529,7 +529,7 @@
             "uid": "prometheus"
           },
           "editorMode": "code",
-          "expr": "rate(http_server_requests_milliseconds_count{}[2m]) * 100",
+          "expr": "rate(http_server_requests_milliseconds_count{}[2m]) * 1000",
           "interval": "",
           "legendFormat": "{{method}} - {{uri}} - {{status}}",
           "range": true,