diff --git a/bapi.dll b/bapi.dll
index 1bdf36e23f9..87e57686b65 100644
Binary files a/bapi.dll and b/bapi.dll differ
diff --git a/html/changelogs/DreamySkrell-bapi-grid-alloc-bugfix.yml b/html/changelogs/DreamySkrell-bapi-grid-alloc-bugfix.yml
new file mode 100644
index 00000000000..7f249892840
--- /dev/null
+++ b/html/changelogs/DreamySkrell-bapi-grid-alloc-bugfix.yml
@@ -0,0 +1,7 @@
+
+author: DreamySkrell
+
+delete-after: True
+
+changes:
+  - bugfix: "BAPI - mapmanip grid alloc bugfix."
diff --git a/rust/bapi/src/mapmanip/core/mod.rs b/rust/bapi/src/mapmanip/core/mod.rs
index 69d5b627719..1855b21c981 100644
--- a/rust/bapi/src/mapmanip/core/mod.rs
+++ b/rust/bapi/src/mapmanip/core/mod.rs
@@ -68,7 +68,7 @@ impl TileGrid {
     pub fn new(size_x: i32, size_y: i32, size_z: i32) -> TileGrid {
         Self {
             size: Coord3::new(size_x, size_y, size_z),
-            grid: vec![Tile::default(); (size_x * size_y * size_y) as usize],
+            grid: vec![Tile::default(); (size_x * size_y * size_z) as usize],
         }
     }
 
diff --git a/tools/ci/libbapi_ci.so b/tools/ci/libbapi_ci.so
index b41c06749b7..c2b80b8d7fe 100644
Binary files a/tools/ci/libbapi_ci.so and b/tools/ci/libbapi_ci.so differ