diff --git a/Src/Platform.rux b/Src/Platform.rux
index c15438d..d4bcc53 100644
--- a/Src/Platform.rux
+++ b/Src/Platform.rux
@@ -95,7 +95,7 @@ module Platform {
     }
 
     func Zero(ptr: *opaque, size: uint) {
-        Fill(ptr, size, 0);
+        Fill(ptr, size, 0i32);
     }
 
     func Compare(lhs: *const opaque, rhs: *const opaque, length: uint) -> uint {