diff --git a/src/libutil/file-content-address.cc b/src/libutil/file-content-address.cc
index 6ea7b2ab4..6753e0f49 100644
--- a/src/libutil/file-content-address.cc
+++ b/src/libutil/file-content-address.cc
@@ -23,7 +23,7 @@ std::string_view renderFileIngestionMethod(FileIngestionMethod method)
     case FileIngestionMethod::Recursive:
         return "nar";
     default:
-        assert(false);
+        abort();
     }
 }