diff --git a/Detectors/Raw/TFReaderDD/src/TFReaderSpec.cxx b/Detectors/Raw/TFReaderDD/src/TFReaderSpec.cxx
index 58a2a775537d4..ef59d94b26048 100644
--- a/Detectors/Raw/TFReaderDD/src/TFReaderSpec.cxx
+++ b/Detectors/Raw/TFReaderDD/src/TFReaderSpec.cxx
@@ -431,7 +431,7 @@ void TFReaderSpec::TFBuilder()
         } else {
           break;
         }
-        if (mInput.maxTFsPerFile > 0 && mInput.maxTFsPerFile >= locID) { // go to next file
+        if (mInput.maxTFsPerFile > 0 && locID >= mInput.maxTFsPerFile) { // go to next file
           break;
         }
       }