diff --git a/src/c/compiler.d b/src/c/compiler.d
index 9be698e23..93f665b19 100644
--- a/src/c/compiler.d
+++ b/src/c/compiler.d
@@ -2767,6 +2767,9 @@ si_need_to_make_load_form_p(cl_object object)
   case t_csfloat:
   case t_cdfloat:
   case t_clfloat:
+#endif
+#ifdef ECL_SSE2
+  case t_sse_pack:
 #endif
   case t_symbol:
   case t_pathname: