--- a/src/newgrf.cpp	Sun Nov 04 22:21:46 2007 +0000
+++ b/src/newgrf.cpp	Sun Nov 04 22:24:03 2007 +0000
@@ -5426,7 +5426,7 @@
 		_cur_grffile = GetFileByFilename(filename);
 		if (_cur_grffile == NULL) error("File '%s' lost in cache.\n", filename);
 		if (stage == GLS_RESERVE && config->status != GCS_INITIALISED) return;
-		if (stage == GLS_ACTIVATION && config->status != GCS_INITIALISED) return;
+		if (stage == GLS_ACTIVATION && !HASBIT(config->flags, GCF_RESERVED)) return;
 	}
 
 	if (file_index > LAST_GRF_SLOT) {
@@ -5560,8 +5560,9 @@
 			if (stage == GLS_LABELSCAN) InitNewGRFFile(c, _cur_spriteid);
 			LoadNewGRFFile(c, slot++, stage);
 			if (stage == GLS_RESERVE) {
-				if (c->status == GCS_ACTIVATED) c->status = GCS_INITIALISED;
+				SETBIT(c->flags, GCF_RESERVED);
 			} else if (stage == GLS_ACTIVATION) {
+				CLRBIT(c->flags, GCF_RESERVED);
 				ClearTemporaryNewGRFData();
 				BuildCargoTranslationMap();
 				DEBUG(sprite, 2, "LoadNewGRF: Currently %i sprites are loaded", _cur_spriteid);

--- a/src/newgrf_config.h	Sun Nov 04 22:21:46 2007 +0000
+++ b/src/newgrf_config.h	Sun Nov 04 22:24:03 2007 +0000
@@ -15,6 +15,7 @@
 	GCF_COMPATIBLE,///< GRF file does not exactly match the requested GRF (different MD5SUM), but grfid matches)
 	GCF_COPY,      ///< The data is copied from a grf in _all_grfs
 	GCF_INIT_ONLY, ///< GRF file is processed up to GLS_INIT
+	GCF_RESERVED,  ///< GRF file passed GLS_RESERVE stage
 };
 
 enum GRFStatus {