diff --git a/engine/client/wad.c b/engine/client/wad.c
index 4fbf3d3d6..fdf275446 100644
--- a/engine/client/wad.c
+++ b/engine/client/wad.c
@@ -477,6 +477,8 @@ void Mod_ParseInfoFromEntityLump(char *data)	//actually, this should be in the m
 		return;
 #endif
 
+	skyname[0] = '\0';
+
 	if (data)
 	if ((data=COM_Parse(data)))	//read the map info.
 	if (com_token[0] == '{')