diff --git a/bash/bash/history.sh b/bash/bash/history.sh
index 4a47ba3..59234ad 100644
--- a/bash/bash/history.sh
+++ b/bash/bash/history.sh
@@ -1,5 +1,5 @@
-HISTCONTROL='ignorespace'
+HISTCONTROL="ignorespace"
 
 HISTSIZE=-1
 
-HISTTIMEFORMAT='%Y%m%d %H%M%S '
+HISTTIMEFORMAT="%Y%m%d %H%M%S "