1 files changed, 2 insertions, 2 deletions
diff --git a/ext/fiddle/fiddle.c b/ext/fiddle/fiddle.c
index 7a7c708245..9f3d1537d6 100644
--- a/ext/fiddle/fiddle.c
+++ b/ext/fiddle/fiddle.c
@@ -48,7 +48,7 @@ rb_fiddle_malloc(VALUE self, VALUE size)
 {
     void *ptr;
 
-    ptr = (void*)ruby_xmalloc(NUM2INT(size));
+    ptr = (void*)ruby_xmalloc(NUM2SIZET(size));
     return PTR2NUM(ptr);
 }
 
@@ -64,7 +64,7 @@ rb_fiddle_realloc(VALUE self, VALUE addr, VALUE size)
 {
     void *ptr = NUM2PTR(addr);
 
-    ptr = (void*)ruby_xrealloc(ptr, NUM2INT(size));
+    ptr = (void*)ruby_xrealloc(ptr, NUM2SIZET(size));
     return PTR2NUM(ptr);
 }