diff --git a/test/unit/contrib/parallel/CMakeLists.txt b/test/unit/contrib/parallel/CMakeLists.txt
index c642e8e800..da289de6b2 100644
--- a/test/unit/contrib/parallel/CMakeLists.txt
+++ b/test/unit/contrib/parallel/CMakeLists.txt
@@ -2,5 +2,9 @@
 # SPDX-FileCopyrightText: 2016-2024 Knut Reinert & MPI für molekulare Genetik
 # SPDX-License-Identifier: CC0-1.0
 
-seqan3_test (buffer_queue_parallel_test.cpp)
+include(ProcessorCount)
+ProcessorCount(NPROC)
+if(NPROC GREATER 1)
+  seqan3_test (buffer_queue_parallel_test.cpp)
+endif()
 seqan3_test (buffer_queue_test.cpp)