diff --git a/ChangeLog b/ChangeLog
index 8340899b8..c5d398a91 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2007-06-14 Paolo Nenzi <p.nenzi@ieee.org>
+
+ * src/misc/misc_time.c: added a casting to doube in seconds function to
+   solve the "negative times" in acct command.
+
 2007-05-13 Paolo Nenzi <p.nenzi@ieee.org>
 
  * src/spicelib/devices/dev.c: updated NUMDEV to reflect actual situation.
diff --git a/src/misc/misc_time.c b/src/misc/misc_time.c
index 82df0fb80..16f7840b1 100644
--- a/src/misc/misc_time.c
+++ b/src/misc/misc_time.c
@@ -104,7 +104,7 @@ seconds(void)
     return (TCGTIME_());
 #else
     (void) getrusage(RUSAGE_SELF, &ruse);
-    return (ruse.ru_utime.tv_sec + (double) ruse.ru_utime.tv_usec / 1000000.0);
+    return ((double)ruse.ru_utime.tv_sec + (double) ruse.ru_utime.tv_usec / 1000000.0);
 #endif /* PARALLEL_ARCH */
 #else
 #ifdef HAVE_TIMES