diff --git a/Framework/CCDBSupport/src/CCDBFetcherHelper.cxx b/Framework/CCDBSupport/src/CCDBFetcherHelper.cxx
index 92aff08a26032..151703105a1dd 100644
--- a/Framework/CCDBSupport/src/CCDBFetcherHelper.cxx
+++ b/Framework/CCDBSupport/src/CCDBFetcherHelper.cxx
@@ -229,7 +229,7 @@ auto CCDBFetcherHelper::populateCacheWith(std::shared_ptr<CCDBFetcherHelper> con
       checkValidity = true; // never skip check if the cache is empty
     }
 
-    O2_SIGNPOST_EVENT_EMIT(ccdb, sid, "populateCacheWith", "checkValidity is %{public}s for tf%{public}s %d of %{public}s", checkValidity ? "true" : "false", helper->useTFSlice ? "ID" : "Slice", helper->useTFSlice ? timingInfo.timeslice : timingInfo.tfCounter, path.data());
+    O2_SIGNPOST_EVENT_EMIT(ccdb, sid, "populateCacheWith", "checkValidity is %{public}s for tf%{public}s %zu of %{public}s", checkValidity ? "true" : "false", helper->useTFSlice ? "ID" : "Slice", helper->useTFSlice ? timingInfo.timeslice : timingInfo.tfCounter, path.data());
 
     const auto& api = helper->getAPI(path);
     if (checkValidity && (!api.isSnapshotMode() || etag.empty())) { // in the snapshot mode the object needs to be fetched only once
diff --git a/Framework/CCDBSupport/src/CCDBHelpers.cxx b/Framework/CCDBSupport/src/CCDBHelpers.cxx
index d303308df0c82..80a79796f8c1b 100644
--- a/Framework/CCDBSupport/src/CCDBHelpers.cxx
+++ b/Framework/CCDBSupport/src/CCDBHelpers.cxx
@@ -315,7 +315,7 @@ auto populateCacheWith(std::shared_ptr<CCDBFetcherHelper> const& helper,
       checkValidity = true; // never skip check if the cache is empty
     }
 
-    O2_SIGNPOST_EVENT_EMIT(ccdb, sid, "populateCacheWith", "checkValidity is %{public}s for tf%{public}s %d of %{public}s", checkValidity ? "true" : "false", helper->useTFSlice ? "ID" : "Slice", helper->useTFSlice ? timingInfo.timeslice : timingInfo.tfCounter, path.data());
+    O2_SIGNPOST_EVENT_EMIT(ccdb, sid, "populateCacheWith", "checkValidity is %{public}s for tf%{public}s %zu of %{public}s", checkValidity ? "true" : "false", helper->useTFSlice ? "ID" : "Slice", helper->useTFSlice ? timingInfo.timeslice : timingInfo.tfCounter, path.data());
 
     const auto& api = helper->getAPI(path);
     if (checkValidity && (!api.isSnapshotMode() || etag.empty())) { // in the snapshot mode the object needs to be fetched only once