diff --git a/xarray/namedarray/_array_api/_creation_functions.py b/xarray/namedarray/_array_api/_creation_functions.py
index 3c933cca8d6..2d4be82abd8 100644
--- a/xarray/namedarray/_array_api/_creation_functions.py
+++ b/xarray/namedarray/_array_api/_creation_functions.py
@@ -247,7 +247,7 @@ def meshgrid(*arrays: NamedArray, indexing: str = "xy") -> list[NamedArray]:
 def ones(
     shape: _Shape, *, dtype: _DType | None = None, device: _Device | None = None
 ) -> NamedArray[_ShapeType, _DType]:
-    return full(shape, 1, dtype=dtype, device=device)
+    return full(shape, 1.0, dtype=dtype, device=device)
 
 
 def ones_like(
@@ -287,7 +287,7 @@ def triu(
 def zeros(
     shape: _Shape, *, dtype: _DType | None = None, device: _Device | None = None
 ) -> NamedArray[_ShapeType, _DType]:
-    return full(shape, 0, dtype=dtype, device=device)
+    return full(shape, 0.0, dtype=dtype, device=device)
 
 
 def zeros_like(