diff --git a/engine/common/common.h b/engine/common/common.h
index 852713b36..230c07664 100644
--- a/engine/common/common.h
+++ b/engine/common/common.h
@@ -265,6 +265,7 @@ extern int com_filesize;
 struct cache_user_s;
 
 extern	char	com_gamedir[MAX_OSPATH];
+extern	char	*com_basedir;
 
 void COM_WriteFile (char *filename, void *data, int len);