diff --git a/src/saveload/company_sl.cpp b/src/saveload/company_sl.cpp
index 03e9cdcb39..6ac22c2685 100644
--- a/src/saveload/company_sl.cpp
+++ b/src/saveload/company_sl.cpp
@@ -258,7 +258,7 @@ static const SaveLoad _company_desc[] = {
 
 	    SLE_VAR(CompanyProperties, colour,                SLE_UINT8),
 	    SLE_VAR(CompanyProperties, money_fraction,        SLE_UINT8),
-	SLE_CONDVAR(CompanyProperties, avail_railtypes,       SLE_UINT8,                   0, 57),
+	SLE_CONDVAR(CompanyProperties, avail_railtypes,       SLE_VAR_I32 | SLE_FILE_I8,   0, 57),
 	    SLE_VAR(CompanyProperties, block_preview,         SLE_UINT8),
 
 	SLE_CONDNULL(2,  0,  93), ///< cargo_types
diff --git a/src/station_base.h b/src/station_base.h
index 67c3dcc90b..944a731f2d 100644
--- a/src/station_base.h
+++ b/src/station_base.h
@@ -302,7 +302,7 @@ struct Airport : public TileArea {
 	uint64 flags;       ///< stores which blocks on the airport are taken. was 16 bit earlier on, then 32
 	byte type;          ///< Type of this airport, @see AirportTypes
 	byte layout;        ///< Airport layout number.
-	Direction rotation; ///< How this airport is rotated.
+	DirectionByte rotation; ///< How this airport is rotated.
 
 	PersistentStorage *psa; ///< Persistent storage for NewGRF airports.