diff --git a/utils/home-manager/claude-code/statusline-command.sh b/utils/home-manager/claude-code/statusline-command.sh
index 6240e86..73f0412 100644
--- a/utils/home-manager/claude-code/statusline-command.sh
+++ b/utils/home-manager/claude-code/statusline-command.sh
@@ -1,13 +1,13 @@
 #!/usr/bin/env bash
 
-# ANSI color codes
-GREEN='\033[32m'
-YELLOW='\033[33m'
-RED='\033[31m'
-CYAN='\033[36m'
-GRAY='\033[90m'
-MAGENTA='\033[35m'
-RESET='\033[0m'
+# ANSI color codes (actual escape bytes, not printf-interpreted strings)
+GREEN=$'\033[32m'
+YELLOW=$'\033[33m'
+RED=$'\033[31m'
+CYAN=$'\033[36m'
+GRAY=$'\033[90m'
+MAGENTA=$'\033[35m'
+RESET=$'\033[0m'
 
 input=$(cat)
 usage=$(echo "$input" | jq '.context_window.current_usage')
@@ -91,4 +91,4 @@ if [ -n "$project" ]; then
   fi
 fi
 
-printf "%b" "$output"
+printf '%s' "$output"