diff --git a/wrapper.c b/wrapper.c
index 43a63a2..bdf565b 100644
--- a/wrapper.c
+++ b/wrapper.c
@@ -4,6 +4,7 @@
 
 #include <stdio.h>
 #include <stdlib.h>
+#include <sys/stat.h>
 #include <unistd.h>
 
 #ifdef MINGW32
@@ -20,11 +21,14 @@ static void die( const char *err) {
 /* Function copyright: git */
 void xmkstemp( char *template) {
 	int fd ;
+	mode_t o_mask ;
 
+	o_mask = umask( 0177) ;
 	fd = mkstemp( template) ;
 	if( fd < 0)
 		die( "Unable to create temporary file") ;
 
+	umask( o_mask) ;
 	close( fd) ;
 }