diff --git a/src/hyperlight_host/src/hypervisor/surrogate_process_manager.rs b/src/hyperlight_host/src/hypervisor/surrogate_process_manager.rs
index ece7cc235..4cec0f459 100644
--- a/src/hyperlight_host/src/hypervisor/surrogate_process_manager.rs
+++ b/src/hyperlight_host/src/hypervisor/surrogate_process_manager.rs
@@ -361,7 +361,7 @@ fn create_surrogate_process(
     if let Err(e) = unsafe {
         CreateProcessA(
             PCSTR::null(),
-            p_cmd_line.into(),
+            Some(p_cmd_line.into()),
             Some(&process_attributes),
             Some(&thread_attributes),
             false,
@@ -442,7 +442,9 @@ mod tests {
                     let process_handle: HANDLE = surrogate_process.process_handle.into();
                     let job_handle: HANDLE = job_handle.into();
                     unsafe {
-                        assert!(IsProcessInJob(process_handle, job_handle, &mut result).is_ok());
+                        assert!(
+                            IsProcessInJob(process_handle, Some(job_handle), &mut result).is_ok()
+                        );
                         assert!(result.as_bool());
                     }
 
diff --git a/src/hyperlight_host/src/sandbox/uninitialized.rs b/src/hyperlight_host/src/sandbox/uninitialized.rs
index 7413ee965..bf462a701 100644
--- a/src/hyperlight_host/src/sandbox/uninitialized.rs
+++ b/src/hyperlight_host/src/sandbox/uninitialized.rs
@@ -1114,6 +1114,12 @@ mod tests {
             None,
             None,
         );
+        println!("{:?}", sbox);
+        #[cfg(target_os = "windows")]
+        assert!(
+            matches!(sbox, Err(e) if e.to_string().contains("GuestBinary not found: 'some/path/that/does/not/exist': The system cannot find the path specified. (os error 3)"))
+        );
+        #[cfg(target_os = "linux")]
         assert!(
             matches!(sbox, Err(e) if e.to_string().contains("GuestBinary not found: 'some/path/that/does/not/exist': No such file or directory (os error 2)"))
         );