diff --git a/src/thread/Name.hxx b/src/thread/Name.hxx
index 0edcc0242..872702af2 100644
--- a/src/thread/Name.hxx
+++ b/src/thread/Name.hxx
@@ -21,10 +21,14 @@
 #define MPD_THREAD_NAME_HXX
 
 #ifdef HAVE_PTHREAD_SETNAME_NP
+#  define HAVE_THREAD_NAME
 #  include <pthread.h>
 #  include <stdio.h>
 #elif defined(HAVE_PRCTL)
 #  include <sys/prctl.h>
+#  ifdef PR_SET_NAME
+#    define HAVE_THREAD_NAME
+#  endif
 #endif
 
 static inline void
@@ -47,7 +51,7 @@ template<typename... Args>
 static inline void
 FormatThreadName(const char *fmt, gcc_unused Args&&... args)
 {
-#ifdef HAVE_PTHREAD_SETNAME_NP
+#ifdef HAVE_THREAD_NAME
 	char buffer[16];
 	snprintf(buffer, sizeof(buffer), fmt, args...);
 	SetThreadName(buffer);