diff --git a/src/codegen/wasm/CodeGen.zig b/src/codegen/wasm/CodeGen.zig
index f3b10dc74e63b4f590bd9157b0f2ed97a84fd5bb..3a7d1906a933649dbe166883d0a660a814befeeb 100644
--- a/src/codegen/wasm/CodeGen.zig
+++ b/src/codegen/wasm/CodeGen.zig
@@ -6661,6 +6661,9 @@ fn memset(cg: *CodeGen, elem_ty: Type, ptr: WValue, len: WValue, value: WValue)
 
         try cg.emitWValue(ptr);
         try cg.emitWValue(value);
+        if (isByRef(elem_ty, zcu, cg.target)) {
+            _ = try cg.load(.stack, .u8, .{});
+        }
         try cg.emitWValue(len);
         try cg.addExtended(.memory_fill);