@@ -171,11 +171,11 @@
 	/* Minutes */
 	seconds += tm->tm_min * 60;
 	/* Seconds */
 	seconds += tm->tm_sec;
 	/* Time zone */
-	seconds += -(float)*tz * 60;
+	seconds += -(double)*tz * 60;
 
 	return seconds;
 }
 
 @implementation OFDate