2 files changed, 2 insertions, 2 deletions
diff --git a/struct.c b/struct.c
index 992f51bb..fccd0928 100644
--- a/struct.c
+++ b/struct.c
@@ -100,7 +100,7 @@ struct struct_inst {
   cnum id : sizeof (cnum) * CHAR_BIT - TAG_SHIFT;
   unsigned lazy : 1;
   unsigned dirty : 1;
-  val slot[1];
+  val slot[FLEX_ARRAY];
 };
 
 val struct_type_s, meth_s, print_s, make_struct_lit_s;
diff --git a/vm.c b/vm.c
index bfce175c..399bef19 100644
--- a/vm.c
+++ b/vm.c
@@ -95,7 +95,7 @@ struct vm_closure {
   int nreg;
   int nlvl;
   unsigned ip;
-  struct vm_env dspl[1];
+  struct vm_env dspl[FLEX_ARRAY];
 };
 
 val vm_desc_s, vm_closure_s;