diff --git a/crates/cairo-addons/src/vm/hint_utils/mod.rs b/crates/cairo-addons/src/vm/hint_utils/mod.rs
index e478266a3..a3baea051 100644
--- a/crates/cairo-addons/src/vm/hint_utils/mod.rs
+++ b/crates/cairo-addons/src/vm/hint_utils/mod.rs
@@ -31,6 +31,11 @@ pub fn serialize_sequence(
     let len =
         len_felt.try_into().map_err(|_| MathError::Felt252ToUsizeConversion(Box::new(len_felt)))?;
 
+    // if len == 0 then no memory is allocated for the sequence
+    if len == 0 {
+        return Ok(vec![]);
+    }
+
     let data = vm.get_relocatable(ptr)?;
 
     let values = (0..len)