diff --git a/updateHostsFile.py b/updateHostsFile.py
index 5df7978e1..7a486ab2d 100644
--- a/updateHostsFile.py
+++ b/updateHostsFile.py
@@ -1210,6 +1210,11 @@ def update_readme_data(readme_file, **readme_updates):
         readme_data = json.load(f)
         readme_data[extensions_key] = generation_data
 
+    for denomination, data in readme_data.copy().items():
+        if "location" in data and data["location"] and "\\" in data["location"]:
+            # Windows compatibility: #1166
+            readme_data[denomination]["location"] = data["location"].replace("\\", "/")
+
     with open(readme_file, "w") as f:
         json.dump(readme_data, f)