diff --git a/godot-core/src/builtin/vector3.rs b/godot-core/src/builtin/vector3.rs
index 4d00aac33..78084e4ae 100644
--- a/godot-core/src/builtin/vector3.rs
+++ b/godot-core/src/builtin/vector3.rs
@@ -46,10 +46,10 @@ impl Vector3 {
     pub const RIGHT: Self = Self::new(1.0, 0.0, 0.0);
 
     /// Unit vector in -Y direction. Typically interpreted as down in a 3D world.
-    pub const UP: Self = Self::new(0.0, -1.0, 0.0);
+    pub const UP: Self = Self::new(0.0, 1.0, 0.0);
 
     /// Unit vector in +Y direction. Typically interpreted as up in a 3D world.
-    pub const DOWN: Self = Self::new(0.0, 1.0, 0.0);
+    pub const DOWN: Self = Self::new(0.0, -1.0, 0.0);
 
     /// Unit vector in -Z direction. Can be interpreted as "into the screen" in an untransformed 3D world.
     pub const FORWARD: Self = Self::new(0.0, 0.0, -1.0);
diff --git a/godot-core/src/builtin/vector3i.rs b/godot-core/src/builtin/vector3i.rs
index f42036412..93376c873 100644
--- a/godot-core/src/builtin/vector3i.rs
+++ b/godot-core/src/builtin/vector3i.rs
@@ -45,10 +45,10 @@ impl Vector3i {
     pub const RIGHT: Self = Self::new(1, 0, 0);
 
     /// Unit vector in -Y direction.
-    pub const UP: Self = Self::new(0, -1, 0);
+    pub const UP: Self = Self::new(0, 1, 0);
 
     /// Unit vector in +Y direction.
-    pub const DOWN: Self = Self::new(0, 1, 0);
+    pub const DOWN: Self = Self::new(0, -1, 0);
 
     /// Unit vector in -Z direction.
     pub const FORWARD: Self = Self::new(0, 0, -1);