1 files changed, 5 insertions, 3 deletions
diff --git a/src/serde/ser.rs b/src/serde/ser.rs
index 4b774cb..4c6423c 100644
--- a/src/serde/ser.rs
+++ b/src/serde/ser.rs
@@ -9,7 +9,7 @@ use crate::lua::Lua;
 use crate::string::String;
 use crate::table::Table;
 use crate::types::Integer;
-use crate::util::{check_stack, StackGuard};
+use crate::util::{check_stack, protect_lua, StackGuard};
 use crate::value::{ToLua, Value};
 
 /// A struct for serializing Rust values into Lua values.
@@ -318,12 +318,14 @@ impl<'lua> ser::SerializeSeq for SerializeVec<'lua> {
         let value = lua.to_value_with(value, self.options)?;
         unsafe {
             let _sg = StackGuard::new(lua.state);
-            check_stack(lua.state, 6)?;
+            check_stack(lua.state, 5)?;
 
             lua.push_ref(&self.table.0);
             lua.push_value(value)?;
             let len = ffi::lua_rawlen(lua.state, -2) as Integer;
-            ffi::safe::lua_rawseti(lua.state, -2, len + 1)
+            protect_lua(lua.state, 2, 0, |state| {
+                ffi::lua_rawseti(state, -2, len + 1);
+            })
         }
     }