diff --git a/clang-tools-extra/clangd/Quality.cpp b/clang-tools-extra/clangd/Quality.cpp
--- a/clang-tools-extra/clangd/Quality.cpp
+++ b/clang-tools-extra/clangd/Quality.cpp
@@ -502,8 +502,17 @@
   E.setIsForbidden(Relevance.Forbidden);
   E.setIsInBaseClass(Relevance.InBaseClass);
   E.setFileProximityDistance(Derived.FileProximityDistance);
+  // FIXME(usx): Remove interpretation of Unreachable distance as -1 once we
+  // have a new model.
+  E.setFileProximityDistance(Derived.FileProximityDistance ==
+                                     FileDistance::Unreachable
+                                 ? -1
+                                 : Derived.FileProximityDistance);
   E.setSemaFileProximityScore(Relevance.SemaFileProximityScore);
-  E.setSymbolScopeDistance(Derived.ScopeProximityDistance);
+  E.setSymbolScopeDistance(Derived.ScopeProximityDistance ==
+                                   FileDistance::Unreachable
+                               ? -1
+                               : Derived.ScopeProximityDistance);
   E.setSemaSaysInScope(Relevance.SemaSaysInScope);
   E.setScope(Relevance.Scope);
   E.setContextKind(Relevance.Context);