4224c2a1af2a1b99c14ef81012af321c39856cf5

 1diff --git a/themes/candy-kingdom.zsh-theme b/themes/candy-kingdom.zsh-theme
 2index 8891287585152e18aa193edc1c4c53428659dd47..adba1ad3932ff9fb9b094bfaab809699b8b3c9e4 100644
 3--- a/themes/candy-kingdom.zsh-theme
 4+++ b/themes/candy-kingdom.zsh-theme
 5@@ -13,7 +13,7 @@ patches: <patches|join( → )|pre_applied(%{$fg[yellow]%})|post_applied(%{$reset
 6 }
 7 
 8 function box_name {
 9-    [ -f ~/.box-name ] && cat ~/.box-name || echo $SHORT_HOST || echo $HOST
10+    [ -f ~/.box-name ] && cat ~/.box-name || echo ${SHORT_HOST:-HOST}
11 }
12 
13 PROMPT='
14diff --git a/themes/fino-time.zsh-theme b/themes/fino-time.zsh-theme
15index 67b6b6e08edd45f5069aeb76c19dcd37c314930a..6e7e654ffcdc11b2961b8b7ba6aa056ce3b0b88e 100644
16--- a/themes/fino-time.zsh-theme
17+++ b/themes/fino-time.zsh-theme
18@@ -21,7 +21,7 @@ function prompt_char {
19 }
20 
21 function box_name {
22-    [ -f ~/.box-name ] && cat ~/.box-name || echo $SHORT_HOST || echo $HOST
23+    [ -f ~/.box-name ] && cat ~/.box-name || echo ${SHORT_HOST:-HOST}
24 }
25 
26 
27diff --git a/themes/fino.zsh-theme b/themes/fino.zsh-theme
28index 50d41e89976ed0f7062523a52c1701218a60d42f..e4477589eef42359f04c986ef4ca799e2fff5758 100644
29--- a/themes/fino.zsh-theme
30+++ b/themes/fino.zsh-theme
31@@ -17,7 +17,7 @@ function prompt_char {
32 }
33 
34 function box_name {
35-    [ -f ~/.box-name ] && cat ~/.box-name || echo $SHORT_HOST || echo $HOST
36+    [ -f ~/.box-name ] && cat ~/.box-name || echo ${SHORT_HOST:-HOST}
37 }
38 
39 local ruby_env=''