diff --git a/proposals/simd/SIMD.md b/proposals/simd/SIMD.md
index 8b9ef3eeb..46ae45cd2 100644
--- a/proposals/simd/SIMD.md
+++ b/proposals/simd/SIMD.md
@@ -231,7 +231,7 @@ Construct a vector with `x` replicated to all lanes:
 def S.splat(x):
     result = S.New()
     for i in range(S.Lanes):
-        result[i] = x
+        result[i] = S.Reduce(x)
     return result
 ```