diff --git a/bin/rename/definitions.sh b/bin/rename/definitions.sh
index 893a2b799e..f99fff0033 100755
--- a/bin/rename/definitions.sh
+++ b/bin/rename/definitions.sh
@@ -4,27 +4,30 @@
 # Specifically, it renames "RIPPLED_XXX" and "RIPPLE_XXX" to "XRPL_XXX" by
 # scanning all cmake, header, and source files in the specified directory and
 # its subdirectories.
-# Usage: ./rename/definitions.sh <directory>
+# Usage: bin/rename/definitions.sh from the repository root.
 
-if [ "$#" -ne 1 ]; then
-    echo "Usage: $0 <directory>"
+if [ "$#" -ne 0 ]; then
+    echo "Usage: $0"
     exit 1
 fi
 
-DIRECTORY=$1
-if [ ! -d "${DIRECTORY}" ]; then
-    echo "Error: Directory ${DIRECTORY} does not exist."
-    exit 1
-fi
-echo "Renaming definitions in directory: ${DIRECTORY}"
-find "${DIRECTORY}" -type f \( -name "*.h" -o -name "*.hpp" -o -name "*.ipp" -o -name "*.cpp" \) | while read -r FILE; do
-    echo "Processing file: $FILE"
-    sed -i'.bak' -E 's@#(define|endif|if|ifdef|ifndef)(.*)(RIPPLED_|RIPPLE_)([A-Z0-9_]+)@#\1\2XRPL_\4@g' "${FILE}"
-    rm "${FILE}.bak"
-done
-find "${DIRECTORY}" -type f \( -name "*.cmake" \) | while read -r FILE; do
-    echo "Processing file: $FILE"
-    sed -i'.bak' -E 's@(RIPPLED_|RIPPLE_)([A-Z0-9_]+)@XRPL_\2@g' "${FILE}"
-    rm "${FILE}.bak"
+DIRECTORIES=("cmake" "include" "src" "tests")
+for DIRECTORY in "${DIRECTORIES[@]}"; do
+  echo "Processing directory: ${DIRECTORY}"
+  if [ ! -d "${DIRECTORY}" ]; then
+      echo "Error: Directory '${DIRECTORY}' does not exist."
+      exit 1
+  fi
+
+  find "${DIRECTORY}" -type f \( -name "*.h" -o -name "*.hpp" -o -name "*.ipp" -o -name "*.cpp" \) | while read -r FILE; do
+      echo "Processing file: ${FILE}"
+      sed -i'.bak' -E 's@#(define|endif|if|ifdef|ifndef)(.*)(RIPPLED_|RIPPLE_)([A-Z0-9_]+)@#\1\2XRPL_\4@g' "${FILE}"
+      rm "${FILE}.bak"
+  done
+  find "${DIRECTORY}" -type f \( -name "*.cmake" \) | while read -r FILE; do
+      echo "Processing file: ${FILE}"
+      sed -i'.bak' -E 's@(RIPPLED_|RIPPLE_)([A-Z0-9_]+)@XRPL_\2@g' "${FILE}"
+      rm "${FILE}.bak"
+  done
 done
 echo "Renaming complete."