diff --git a/src/h5_zmq_writer.cpp b/src/h5_zmq_writer.cpp
index 74e6c0d..76006ea 100644
--- a/src/h5_zmq_writer.cpp
+++ b/src/h5_zmq_writer.cpp
@@ -66,8 +66,8 @@ void write_h5(WriterManager *manager, RingBuffer *ring_buffer, string output_fil
             // Even if we can't write the format, lets try to preserve the data.
             try {
                 H5Format::write_format(writer.get_h5_file(), parameters, get_frames_dataset_name());
-            } catch (const runtime_error& exception) {
-                cerr << "[h5_zmq_writer::write] Error while trying to write file format: "<< ex.what() << endl
+            } catch (const runtime_error& ex) {
+                cerr << "[h5_zmq_writer::write] Error while trying to write file format: "<< ex.what() << endl;
             }
         }
     }