diff --git a/.github/workflows/tests.yaml b/.github/workflows/tests.yaml
index 61d3adb..1e2fdd9 100644
--- a/.github/workflows/tests.yaml
+++ b/.github/workflows/tests.yaml
@@ -16,7 +16,7 @@ jobs:
       strategy:
         matrix:
           python-version: [ '3.9', '3.13' ]
-          os: [ "ubuntu-22.04", "ubuntu-24.04" ]
+          os: [ "ubuntu-22.04", "ubuntu-24.04", "windows-latest" ]
         fail-fast: false
 
       runs-on: "${{ matrix.os }}"
diff --git a/src/pyswip/prolog.py b/src/pyswip/prolog.py
index 0c87c03..70b88b5 100644
--- a/src/pyswip/prolog.py
+++ b/src/pyswip/prolog.py
@@ -390,7 +390,11 @@ def consult(
         :param relative_to: The path where the consulted file is relative to
         """
         path = resolve_path(path, relative_to)
-        next(cls.query(str(path).join(["consult('", "')"]), catcherrors=catcherrors))
+        next(
+            cls.query(
+                str(path.as_posix()).join(["consult('", "')"]), catcherrors=catcherrors
+            )
+        )
 
     @classmethod
     def query(