diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7aea80b..d2b281a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,8 +4,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [unreleased]
+## [v0.18.1]
 ### Fixed
+- 'run_id' instead of 'basecaller' as column name in basecaller summary output header line.
 - `(null)` in FASTQ header comments when run with `-H` on files that had `basecall_model_version_id=...` as only header comment.
 
 ## [v0.18.0]
diff --git a/src/fastcat/writer.c b/src/fastcat/writer.c
index c036949..9a024f2 100644
--- a/src/fastcat/writer.c
+++ b/src/fastcat/writer.c
@@ -107,7 +107,7 @@ writer initialize_writer(char* output_dir, char* histograms, char* perread, char
          writer->basecallers = fopen(basecallers, "w");
          fprintf(writer->basecallers, "filename\t");
          if (writer->sample != NULL) fprintf(writer->basecallers, "sample_name\t");
-         fprintf(writer->basecallers, "run_id\tcount\n");
+         fprintf(writer->basecallers, "basecaller\tcount\n");
      }
      return writer;
 }
diff --git a/src/version.h b/src/version.h
index 428e9ff..1bb4872 100644
--- a/src/version.h
+++ b/src/version.h
@@ -1,2 +1,2 @@
 
-const char *argp_program_version = "0.18.0";
+const char *argp_program_version = "0.18.1";