diff --git a/scip_indexer/SCIPIndexer.cc b/scip_indexer/SCIPIndexer.cc
index 17abc689c..57bb384f2 100644
--- a/scip_indexer/SCIPIndexer.cc
+++ b/scip_indexer/SCIPIndexer.cc
@@ -1275,7 +1275,7 @@ class SCIPSemanticExtension : public SemanticExtension {
         // NOTE: We are not respecting the path prefix option here. Should we do that?
         // FIXME(varun): filesystem::current_path() returns the path in 'native' format,
         // so this won't work on Windows.
-        metadata.set_project_root("file:/" + filesystem::current_path().string());
+        metadata.set_project_root("file://" + filesystem::current_path().string());
         metadata.set_text_document_encoding(scip::TextEncoding::UTF8);
 
         vector<SCIPState> allStates;