diff --git a/contrib/pg_autovacuum/pg_autovacuum.c b/contrib/pg_autovacuum/pg_autovacuum.c
index c0170ebd81b9e047dc9d0443ac49a931cab84678..2388b3f351ab89315793df43f718e1ec69fbe8f0 100644
--- a/contrib/pg_autovacuum/pg_autovacuum.c
+++ b/contrib/pg_autovacuum/pg_autovacuum.c
@@ -4,7 +4,7 @@
  * Revisions by Christopher B. Browne, Liberty RMS
  * Win32 Service code added by Dave Page
  *
- * $PostgreSQL: pgsql/contrib/pg_autovacuum/pg_autovacuum.c,v 1.31 2005/04/19 03:35:15 momjian Exp $
+ * $PostgreSQL: pgsql/contrib/pg_autovacuum/pg_autovacuum.c,v 1.32 2005/05/11 14:53:43 momjian Exp $
  */
 
 #include "postgres_fe.h"
@@ -1749,7 +1749,7 @@ VacuumLoop(int argc, char **argv)
 			fflush(LOGOUTPUT);
 		}
 
-		pg_usleep(sleep_secs * 1000000);	/* Larger Pause between outer loops */
+		pg_usleep(sleep_secs * 1000000L);	/* Larger Pause between outer loops */
 
 		gettimeofday(&then, 0); /* Reset time counter */