diff --git a/crates/console/prometeu-vm/src/virtual_machine.rs b/crates/console/prometeu-vm/src/virtual_machine.rs
index 48030ea1..8de27ae4 100644
--- a/crates/console/prometeu-vm/src/virtual_machine.rs
+++ b/crates/console/prometeu-vm/src/virtual_machine.rs
@@ -1164,9 +1164,10 @@ impl VirtualMachine {
                     .imm_u32()
                     .map_err(|e| LogicalFrameEndingReason::Panic(format!("{:?}", e)))?
                     as usize;
-                let val = self.globals.get(idx).cloned().ok_or_else(|| {
-                    LogicalFrameEndingReason::Panic("Invalid global index".into())
-                })?;
+                if idx >= self.globals.len() {
+                    self.globals.resize(idx + 1, Value::Int32(0));
+                }
+                let val = self.globals[idx].clone();
                 self.push(val);
             }
             OpCode::SetGlobal => {
@@ -1176,7 +1177,7 @@ impl VirtualMachine {
                     as usize;
                 let val = self.pop().map_err(|e| LogicalFrameEndingReason::Panic(e))?;
                 if idx >= self.globals.len() {
-                    self.globals.resize(idx + 1, Value::Null);
+                    self.globals.resize(idx + 1, Value::Int32(0));
                 }
                 self.globals[idx] = val;
             }