--- src-unix/posixSystem.cpp	2008-10-14 15:02:46.000000000 -0500
+++ src-unix/posixSystem.cpp	2008-10-14 15:02:46.000000000 -0500
@@ -54,7 +54,7 @@
 	
 	ofstream* f = 0;
 	
-	if (mktemp(b)) {
+	if (mkstemp(b)) {
 		f = new ofstream;
 		f->open(b, ios::binary);
 		prefixInNameOut = b;