diff --git a/fles/mcbm2018/unpacker/CbmMcbm2018UnpackerAlgoTrdR.cxx b/fles/mcbm2018/unpacker/CbmMcbm2018UnpackerAlgoTrdR.cxx
index 38c885c9295a10b01e059c4427773213d92edca0..d3209b7824f7ee53cd372e97c945b448d8feab3a 100644
--- a/fles/mcbm2018/unpacker/CbmMcbm2018UnpackerAlgoTrdR.cxx
+++ b/fles/mcbm2018/unpacker/CbmMcbm2018UnpackerAlgoTrdR.cxx
@@ -886,9 +886,9 @@ CbmMcbm2018UnpackerAlgoTrdR::MakeDigi(CbmTrdRawMessageSpadic raw) {
   Int_t asicAddress(0);
   auto mapIt = fSpadicMap.find(spadicHwAddress);  // check if asic exists
   if (mapIt == fSpadicMap.end()) {
-    LOG(debug4) << Form("CbmMcbm2018UnpackerAlgoTrdR::MakeDigi - No asic "
-                        "address found for Spadic hardware address %lu",
-                        spadicHwAddress);
+    LOG(debug4) << "CbmMcbm2018UnpackerAlgoTrdR::MakeDigi - No asic address "
+                   "found for Spadic hardware address %lu"
+                << spadicHwAddress;
     return nullptr;
   }
   asicAddress          = mapIt->second;