diff --git a/mozilla/security/nss/cmd/rsaperf/rsaperf.c b/mozilla/security/nss/cmd/rsaperf/rsaperf.c
index f4fd8c8190b..e9483803df7 100644
--- a/mozilla/security/nss/cmd/rsaperf/rsaperf.c
+++ b/mozilla/security/nss/cmd/rsaperf/rsaperf.c
@@ -427,7 +427,7 @@ main(int argc, char **argv)
     TimingEnd(timeCtx);
     printf("%ld iterations in %s\n",
 	   iters, TimingGenerateString(timeCtx));
-    printf("%.2f operations/s .\n", (double)(iters*1000000) / (double)timeCtx->interval );
+    printf("%.2f operations/s .\n", ((double)(iters)*(double)1000000.0) / (double)timeCtx->interval );
     TimingDivide(timeCtx, iters);
     printf("one operation every %s\n", TimingGenerateString(timeCtx));