diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3ede0882..142f71ce 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,11 @@ Version 0.20.1
 
 This version enables functions to access constants declared at global level via the special `global` module.
 
+Bug fixes
+---------
+
+* Fixed bug when position is zero in `insert` and `split_at` methods for arrays.
+
 Breaking changes
 ----------------
 
diff --git a/src/packages/array_basic.rs b/src/packages/array_basic.rs
index 0751428c..f17a62aa 100644
--- a/src/packages/array_basic.rs
+++ b/src/packages/array_basic.rs
@@ -35,7 +35,7 @@ mod array_functions {
         array
     }
     pub fn insert(array: &mut Array, position: INT, item: Dynamic) {
-        if position <= 0 {
+        if position < 0 {
             if let Some(n) = position.checked_abs() {
                 if n as usize > array.len() {
                     array.insert(0, item);
@@ -174,7 +174,7 @@ mod array_functions {
     }
     #[rhai_fn(name = "split")]
     pub fn split_at(array: &mut Array, start: INT) -> Array {
-        if start <= 0 {
+        if start < 0 {
             if let Some(n) = start.checked_abs() {
                 if n as usize > array.len() {
                     mem::take(array)