diff --git a/src/fileio.cpp b/src/fileio.cpp
--- a/src/fileio.cpp
+++ b/src/fileio.cpp
@@ -1378,8 +1378,7 @@ uint FileScanner::Scan(const char *exten
 	switch (sd) {
 		case BASESET_DIR:
 			num += this->Scan(extension, OLD_GM_DIR, tars, recursive);
-			break;
-
+			/* FALL THROUGH */
 		case NEWGRF_DIR:
 			num += this->Scan(extension, OLD_DATA_DIR, tars, recursive);
 			break;