diff --git a/Extras/VHACD/inc/vhacdMutex.h b/Extras/VHACD/inc/vhacdMutex.h
index 4d1ad2a7da..78c1113835 100644
--- a/Extras/VHACD/inc/vhacdMutex.h
+++ b/Extras/VHACD/inc/vhacdMutex.h
@@ -69,7 +69,7 @@
 #include <pthread.h>
 #endif
 
-#if defined(__APPLE__)
+#if defined(__APPLE__) || !defined(__GLIBC__)
 #define PTHREAD_MUTEX_RECURSIVE_NP PTHREAD_MUTEX_RECURSIVE
 #endif