diff --git a/sal/osl/unx/mutex.c b/sal/osl/unx/mutex.c
index 0f64104348e1..c784113d6393 100644
--- a/sal/osl/unx/mutex.c
+++ b/sal/osl/unx/mutex.c
@@ -34,6 +34,12 @@
 #include <pthread.h>
 #include <stdlib.h>
 
+#if defined LINUX /* bad hack */
+int pthread_mutexattr_setkind_np(pthread_mutexattr_t *, int);
+#define pthread_mutexattr_settype pthread_mutexattr_setkind_np
+#define PTHREAD_MUTEX_RECURSIVE PTHREAD_MUTEX_RECURSIVE_NP
+#endif
+
 typedef struct _oslMutexImpl
 {
     pthread_mutex_t mutex;