Index: trunk/psLib/src/astro/psTime.c
===================================================================
--- trunk/psLib/src/astro/psTime.c	(revision 22682)
+++ trunk/psLib/src/astro/psTime.c	(revision 22684)
@@ -1707,5 +1707,5 @@
     }
 
-    time->nsec += fractionalSeconds * 1e9;
+    time->nsec += fractionalSeconds * 1.0e9L;
     return time;
 }