diff --git a/src/newgrf_config.h b/src/newgrf_config.h
--- a/src/newgrf_config.h
+++ b/src/newgrf_config.h
@@ -218,4 +218,6 @@ void ShowNewGRFSettings(bool editable, b
 GRFTextWrapper *FindUnknownGRFName(uint32 grfid, uint8 *md5sum, bool create);
 #endif /* ENABLE_NETWORK */
 
+void UpdateNewGRFScanStatus(uint num, const char *name);
+
 #endif /* NEWGRF_CONFIG_H */