diff --git a/Cargo.lock b/Cargo.lock
index eecd78af623..4526ef3d6e2 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -682,7 +682,7 @@ version = "4.1.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "42dfd32784433290c51d92c438bb72ea5063797fc3cc9a21a8c4346bebbb2098"
 dependencies = [
- "bitflags 2.0.1",
+ "bitflags 2.0.2",
  "clap_derive",
  "clap_lex 0.3.3",
  "is-terminal",
diff --git a/boa_engine/src/bytecompiler/expression/mod.rs b/boa_engine/src/bytecompiler/expression/mod.rs
index a4df995d55b..777fc0e61fb 100644
--- a/boa_engine/src/bytecompiler/expression/mod.rs
+++ b/boa_engine/src/bytecompiler/expression/mod.rs
@@ -176,6 +176,7 @@ impl ByteCompiler<'_, '_> {
                     self.emit_opcode(Opcode::Await);
                     let (skip_yield, skip_yield_await) =
                         self.emit_opcode_with_two_operands(Opcode::AsyncGeneratorNext);
+                    self.emit_opcode(Opcode::PushUndefined);
                     self.emit_opcode(Opcode::Yield);
                     self.emit_opcode(Opcode::GeneratorNext);
                     self.patch_jump(skip_yield);
diff --git a/boa_engine/src/vm/mod.rs b/boa_engine/src/vm/mod.rs
index 1f2fee777e4..e649a34080f 100644
--- a/boa_engine/src/vm/mod.rs
+++ b/boa_engine/src/vm/mod.rs
@@ -288,11 +288,7 @@ impl Context<'_> {
                     return CompletionRecord::Normal(result);
                 }
                 EarlyReturnType::Yield => {
-                    let result = self
-                        .vm
-                        .stack
-                        .pop()
-                        .expect("Yield must always return a result.");
+                    let result = self.vm.pop();
                     self.vm.frame_mut().early_return = None;
                     return CompletionRecord::Return(result);
                 }