diff --git a/library/timing.c b/library/timing.c
index 94be0ad..b387bd8 100644
--- a/library/timing.c
+++ b/library/timing.c
@@ -379,7 +379,7 @@
     {
         (void) get_timer( &hires, 1 );
 
-        m_sleep( 500 * secs );
+        m_sleep( (int)( 500 * secs ) );
 
         millisecs = get_timer( &hires, 0 );
 
@@ -402,7 +402,7 @@
     {
         (void) get_timer( &hires, 1 );
 
-        set_alarm( secs );
+        set_alarm( (int) secs );
         while( !alarmed )
             ;