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-rw-r--r--src/newgrf_cargo.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/newgrf_cargo.h b/src/newgrf_cargo.h
index d640c3876..7d7e9e537 100644
--- a/src/newgrf_cargo.h
+++ b/src/newgrf_cargo.h
@@ -9,7 +9,7 @@
#include "cargo_type.h"
#include "gfx_type.h"
-enum {
+enum CargoClass {
CC_NOAVAILABLE = 0, ///< No cargo class has been specified
CC_PASSENGERS = 1 << 0, ///< Passengers
CC_MAIL = 1 << 1, ///< Mail