diff --git a/fake-msi.c b/fake-msi.c
index 3f82f74..bbde0cb 100644
--- a/fake-msi.c
+++ b/fake-msi.c
@@ -181,7 +181,7 @@ uint32_t MsiViewModify(MsiView *view, uint32_t mode, MsiRecord *rec)
             ctx->argsize = ctx->nargs * 5 / 4 + 16;
             ctx->args = sresize(ctx->args, ctx->argsize, char *);
         }
-        ctx->args[ctx->nargs++] = dupcat("-s", (const char *)NULL);
+        ctx->args[ctx->nargs++] = dupcat("-a", (const char *)NULL);
         ctx->args[ctx->nargs++] = dupcat(rec->name, (const char *)NULL);
         ctx->args[ctx->nargs++] = dupcat(rec->data, (const char *)NULL);
     }