diff --git a/guide/crime5/typewrite.sh b/guide/crime5/typewrite.sh
index 7e8eaf8..f62f256 100644
--- a/guide/crime5/typewrite.sh
+++ b/guide/crime5/typewrite.sh
@@ -3,12 +3,13 @@
 type_text() {
     local text="$1"
     local delay="$2"
-    local i
+    local i char
 
-    for ((i=0; i<${#text}; i++)); do
-        printf "%c" "${text:$i:1}"
+    while IFS= read -r -n1 char; do
+        printf "%b" "$char"
         sleep "$delay"
-    done
+    done <<< "$text"
+
     printf "\n"
 }