diff --git a/scripts/trailing-whitespace.sh b/scripts/trailing-whitespace.sh
index 5a9e7d0..01c96ac 100755
--- a/scripts/trailing-whitespace.sh
+++ b/scripts/trailing-whitespace.sh
@@ -6,7 +6,7 @@ function remove-whitespace {
     exclude_paths=(
         ".git"
     )
-    exclude_files=(
+    exclude_extensions=(
         "*.lst"
         "*.map"
         "*.svd"
@@ -97,16 +97,16 @@ function remove-whitespace {
         fi
     done
 
-    excludes+=(")" "-type d" "-prune" "-o")
+    excludes+=(")" "-type" "d" "-prune" "-o")
 
-    for arg in "${exclude_files[@]}"; do
+    for arg in "${exclude_extensions[@]}"; do
         excludes+=("-not" "-name" "${arg}")
     done
 
     for arg in "${path_args[@]}"; do
         files=("$(
             find "${arg}" \
-                ${excludes[@]} \
+                "${excludes[@]}" \
                 -type f \
                 -exec grep -EIq "${grep_regex}" {} \; \
                 -print