diff --git a/kitty/threading.h b/kitty/threading.h
index 3d6d8894d..6aa518c37 100644
--- a/kitty/threading.h
+++ b/kitty/threading.h
@@ -6,17 +6,15 @@
 
 #pragma once
 
-#ifdef __APPLE__
+#include <stdio.h>
 #include <pthread.h>
+#ifdef __APPLE__
 // I cant figure out how to get pthread.h to include this definition on macOS. MACOSX_DEPLOYMENT_TARGET does not work.
 extern int pthread_setname_np(const char *name);
 #else
-// Need _GNU_SOURCE for pthread_setname_np on linux
-#define _GNU_SOURCE
-#include <pthread.h>
-#undef _GNU_SOURCE
+// Need _GNU_SOURCE for pthread_setname_np on linux and that causes other issues on systems with old glibc
+extern int pthread_setname_np(pthread_t, const char *name);
 #endif
-#include <stdio.h>
 
 static inline void
 set_thread_name(const char *name) {