diff --git a/Source/cmDependsFortran.cxx b/Source/cmDependsFortran.cxx
index 4c0f688295682878097ed28c326a3c1bbbd89c57..aaa9d3ac9b7f229c8285088a4841cf1a674b9a58 100644
--- a/Source/cmDependsFortran.cxx
+++ b/Source/cmDependsFortran.cxx
@@ -707,5 +707,9 @@ bool cmDependsFortran::ModulesDiffer(const char* modFile,
 std::string cmDependsFortran::MaybeConvertToRelativePath(
   std::string const& base, std::string const& path)
 {
-  return this->LocalGenerator->ConvertToRelativePath(base, path);
+  if (!cmOutputConverter::ContainedInDirectory(
+        base, path, this->LocalGenerator->GetStateSnapshot().GetDirectory())) {
+    return path;
+  }
+  return cmOutputConverter::ForceToRelativePath(base, path);
 }