1 files changed, 1 insertions, 1 deletions
diff --git a/cont.c b/cont.c
index 083c023b4d..9021333ba4 100644
--- a/cont.c
+++ b/cont.c
@@ -41,7 +41,7 @@ typedef struct rb_context_struct {
 #endif
     rb_thread_t saved_thread;
     rb_jmpbuf_t jmpbuf;
-    int machine_stack_size;
+    size_t machine_stack_size;
 } rb_context_t;
 
 enum fiber_status {