diff --git a/crates/polars-core/src/chunked_array/temporal/conversion.rs b/crates/polars-core/src/chunked_array/temporal/conversion.rs
index 1657e6a754f36..9055622a6b609 100644
--- a/crates/polars-core/src/chunked_array/temporal/conversion.rs
+++ b/crates/polars-core/src/chunked_array/temporal/conversion.rs
@@ -36,7 +36,7 @@ impl From<&AnyValue<'_>> for NaiveTime {
 
 // Used by lazy for literal conversion
 pub fn datetime_to_timestamp_ns(v: NaiveDateTime) -> i64 {
-    v.timestamp_nanos()
+    v.timestamp_nanos_opt()
 }
 
 // Used by lazy for literal conversion