diff --git a/clean_files.txt b/clean_files.txt
index 9088a1fb..bd6907ba 100644
--- a/clean_files.txt
+++ b/clean_files.txt
@@ -27,6 +27,7 @@ lint_clean_files.sh
 # libs
 #
 lib/appearance.bash
+lib/history.bash
 
 # themes
 #
diff --git a/lib/history.bash b/lib/history.bash
index a1a7cb04..cfcede06 100644
--- a/lib/history.bash
+++ b/lib/history.bash
@@ -7,6 +7,6 @@ export HISTCONTROL=${HISTCONTROL:-ignorespace:erasedups} # erase duplicates; alt
 export HISTSIZE=${HISTSIZE:-5000}                        # resize history size
 export AUTOFEATURE=${AUTOFEATURE:-true autotest}         # Cucumber / Autotest integration
 
-function rh {
-  history | awk '{a[$2]++}END{for(i in a){print a[i] " " i}}' | sort -rn | head
+rh() {
+	history | awk '{a[$2]++}END{for(i in a){print a[i] " " i}}' | sort -rn | head
 }