diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1bac6e2..d5443e7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,10 @@ 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).
 
+## [v0.4.6]
+### Fixed
+- Missing tab character in output header.
+
 ## [v0.4.5]
 ### Changed
 - Pin openssl version in conda build to that which work across Python versions.
diff --git a/src/bamstats/main.c b/src/bamstats/main.c
index f66d630..46c9019 100644
--- a/src/bamstats/main.c
+++ b/src/bamstats/main.c
@@ -19,7 +19,7 @@ void write_header() {
     fprintf(stdout,
 "name\tref\tcoverage\tref_coverage\t"\
 "\tqstart\tqend\trstart\trend\t"\
-"aligned_ref_len\tdirection\tlength\tread_length"\
+"aligned_ref_len\tdirection\tlength\tread_length\t"\
 "match\tins\tdel\tsub\tiden\tacc\n");
 }
 
diff --git a/src/version.h b/src/version.h
index f8945eb..6d2c4fa 100644
--- a/src/version.h
+++ b/src/version.h
@@ -1,2 +1,2 @@
 
-const char *argp_program_version = "0.4.5";
+const char *argp_program_version = "0.4.6";