diff --git a/xc7/arch.h b/xc7/arch.h
index 9e687146..c64b9634 100644
--- a/xc7/arch.h
+++ b/xc7/arch.h
@@ -898,7 +898,7 @@ struct Arch : BaseCtx
     DelayInfo getDelayFromNS(float ns) const
     {
         DelayInfo del;
-        del.delay = ns;
+        del.delay = delay_t(ns * 1000);
         return del;
     }