diff --git a/implementations/micrometer-registry-otlp/src/main/java/io/micrometer/registry/otlp/OtlpMeterRegistry.java b/implementations/micrometer-registry-otlp/src/main/java/io/micrometer/registry/otlp/OtlpMeterRegistry.java
index 8f4d5afd16..f6ecb1cc05 100644
--- a/implementations/micrometer-registry-otlp/src/main/java/io/micrometer/registry/otlp/OtlpMeterRegistry.java
+++ b/implementations/micrometer-registry-otlp/src/main/java/io/micrometer/registry/otlp/OtlpMeterRegistry.java
@@ -222,7 +222,7 @@ protected LongTaskTimer newLongTaskTimer(Meter.Id id, DistributionStatisticConfi
 
     @Override
     protected TimeUnit getBaseTimeUnit() {
-        return TimeUnit.MILLISECONDS;
+        return TimeUnit.SECONDS;
     }
 
     @Override