diff --git a/rascal-lsp/src/main/rascal/lang/rascal/lsp/refactor/WorkspaceInfo.rsc b/rascal-lsp/src/main/rascal/lang/rascal/lsp/refactor/WorkspaceInfo.rsc
index fae58572..200576fd 100644
--- a/rascal-lsp/src/main/rascal/lang/rascal/lsp/refactor/WorkspaceInfo.rsc
+++ b/rascal-lsp/src/main/rascal/lang/rascal/lsp/refactor/WorkspaceInfo.rsc
@@ -88,6 +88,7 @@ data WorkspaceInfo (
     map[loc, AType] facts = (),
     Scopes scopes = (),
     Paths paths = {},
+    set[loc] sourceFiles = {},
     set[loc] projects = {}
 ) = workspaceInfo(
     PathConfig(loc) getPathConfig,