diff --git a/thirdparty/vhacd/inc/vhacdMutex.h b/thirdparty/vhacd/inc/vhacdMutex.h
index 6b09259200..d587dd6387 100644
--- a/thirdparty/vhacd/inc/vhacdMutex.h
+++ b/thirdparty/vhacd/inc/vhacdMutex.h
@@ -71,7 +71,9 @@
 #include <pthread.h>
 #endif
 
-#if defined(__APPLE__)
+// -- PANDEMONIUM start --
+#if defined(__APPLE__) || !defined(__GLIBC__)
+// -- PANDEMONIUM end --
 #define PTHREAD_MUTEX_RECURSIVE_NP PTHREAD_MUTEX_RECURSIVE
 #endif