diff --git a/src/cfgparse.c b/src/cfgparse.c
index 4b484bcda..8132e47e8 100644
--- a/src/cfgparse.c
+++ b/src/cfgparse.c
@@ -2380,7 +2380,7 @@ void propagate_processes(struct proxy *from, struct proxy *to)
 	}
 }
 
-#if defined(__linux__) && defined USE_CPU_AFFINITY
+#if defined(USE_THREAD) && defined(__linux__) && defined USE_CPU_AFFINITY
 /* filter directory name of the pattern node<X> */
 static int numa_filter(const struct dirent *dir)
 {