diff --git a/stdlib/src/uuid.rs b/stdlib/src/uuid.rs
index 2a3ed70d..5897b9d8 100644
--- a/stdlib/src/uuid.rs
+++ b/stdlib/src/uuid.rs
@@ -17,7 +17,15 @@ impl StdlibRegistry {
                     use std::time::SystemTime;
                     let nano = SystemTime::now()
                         .duration_since(SystemTime::UNIX_EPOCH)
-                        .unwrap()
+                        .map_err(|e| {
+                            RuntimeError::new(
+                                techscript_runtime::error::RuntimeErrorKind::InvalidOperation(
+                                    format!("System time before UNIX EPOCH: {}", e),
+                                ),
+                                None,
+                                None,
+                            )
+                        })?
                         .as_nanos();
                     Ok(RuntimeValue::Str(format!(
                         "123e4567-e89b-12d3-a456-{}",
diff --git a/stdlib/tests/stdlib_tests.rs b/stdlib/tests/stdlib_tests.rs
index e21f67b9..ff8bfe76 100644
--- a/stdlib/tests/stdlib_tests.rs
+++ b/stdlib/tests/stdlib_tests.rs
@@ -1253,5 +1253,4 @@ fn test_ai_generate_text() {
 }
 
 #[test]
-<<
-}
+<
\ No newline at end of file