diff --git a/tools/rom/build.c b/tools/rom/build.c
index 662b00b7..0e9e47f6 100644
--- a/tools/rom/build.c
+++ b/tools/rom/build.c
@@ -438,6 +438,7 @@ bool WriteFnt(FILE *fpRom, size_t *pAddress, FileTree *pRoot, size_t firstFileId
 
     size_t tableStart = address;
     if (!WriteFntSubtable(pRoot, &ctx)) return false;
+    ctx.table[0].parentId = ctx.tableSize;
 
     size_t tableLength = ctx.tableSize * sizeof(FntEntry);
     for (size_t i = 0; i < ctx.tableSize; ++i) {
diff --git a/tools/rom/files.h b/tools/rom/files.h
index f59eddcb..7af4cbdc 100644
--- a/tools/rom/files.h
+++ b/tools/rom/files.h
@@ -137,10 +137,18 @@ bool FreeFileTree(FileTree *pTree) {
 int CompareFileTree(const void *a, const void *b) {
     FileTree *treeA = (FileTree*) a;
     FileTree *treeB = (FileTree*) b;
+
+    // Files before directories
+    bool dirA = treeA->entry == NULL || treeA->entry->isSubdir;
+    bool dirB = treeB->entry == NULL || treeB->entry->isSubdir;
+    if (dirA && !dirB) return 1;
+    if (!dirA && dirB) return -1;
+
     size_t lenA = treeA->entry->length;
     size_t lenB = treeB->entry->length;
     size_t minSize = (lenA < lenB) ? lenA : lenB;
 
+    // Alphabetic name order
     const char *nameA = treeA->entry->name;
     const char *nameB = treeB->entry->name;
     for (size_t i = 0; i < minSize; ++i) {
@@ -148,6 +156,8 @@ int CompareFileTree(const void *a, const void *b) {
         const char chB = tolower(nameB[i]);
         if (chA != chB) return chA - chB;
     }
+
+    // Shortest name first
     if (lenA < lenB) return -1;
     if (lenA > lenB) return 1;
     return 0;