Index: utils/ofzip/OFZIP.m
==================================================================
--- utils/ofzip/OFZIP.m
+++ utils/ofzip/OFZIP.m
@@ -226,10 +226,13 @@
 	OFFile *file = nil;
 	id <Archive> archive = nil;
 
 	[_archivePath release];
 	_archivePath = [path copy];
+
+	if (path == nil)
+		return nil;
 
 	@try {
 		file = [OFFile fileWithPath: path
 				       mode: @"rb"];
 	} @catch (OFOpenItemFailedException *e) {