diff --git a/functions/utilities.zsh b/functions/utilities.zsh
index 8f676caf..86e5ba0e 100644
--- a/functions/utilities.zsh
+++ b/functions/utilities.zsh
@@ -79,7 +79,7 @@ function getRelevantItem() {
   done
 }
 
-# OS detection for the `os_icon` segment
+# OS detection
 case $(uname) in
     Darwin)
       OS='OSX'
diff --git a/powerlevel9k.zsh-theme b/powerlevel9k.zsh-theme
index 5f12c129..f0b06cc4 100755
--- a/powerlevel9k.zsh-theme
+++ b/powerlevel9k.zsh-theme
@@ -1290,8 +1290,7 @@ powerlevel9k_prepare_prompts() {
   _P9K_COMMAND_DURATION=$((EPOCHREALTIME - _P9K_TIMER_START))
 
   # Reset start time
-  # Maximum integer on 32-bit CPUs
-  _P9K_TIMER_START=2147483647
+  _P9K_TIMER_START=0xFFFFFFFF
 
   if [[ "$POWERLEVEL9K_PROMPT_ON_NEWLINE" == true ]]; then
     PROMPT="$(print_icon 'MULTILINE_FIRST_PROMPT_PREFIX')%f%b%k$(build_left_prompt)