diff --git a/gateleen-monitoring/src/main/java/org/swisspush/gateleen/monitoring/RedisMonitor.java b/gateleen-monitoring/src/main/java/org/swisspush/gateleen/monitoring/RedisMonitor.java
index e0f8c2140..c5e2b4e2c 100644
--- a/gateleen-monitoring/src/main/java/org/swisspush/gateleen/monitoring/RedisMonitor.java
+++ b/gateleen-monitoring/src/main/java/org/swisspush/gateleen/monitoring/RedisMonitor.java
@@ -135,7 +135,7 @@ private void collectMetrics(Buffer buffer) {
                     publisher.publishMetric(key, value);
                 }
             } catch (NumberFormatException e) {
-                // ignore this field
+                log.trace("ignore field '{}' because '{}' doesnt look number-ish enough", key, valueStr);
             }
         });
     }