diff --git a/rpcs3/util/atomic.cpp b/rpcs3/util/atomic.cpp
index 9923325da2..6a8ae01cc9 100644
--- a/rpcs3/util/atomic.cpp
+++ b/rpcs3/util/atomic.cpp
@@ -55,6 +55,10 @@ static bool has_waitv()
 #include <pthread.h>
 #endif
 
+#if defined(__DragonFly__) || defined(__FreeBSD__) || defined(__OpenBSD__)
+#include <pthread_np.h>
+#endif
+
 #include "asm.hpp"
 #include "endian.hpp"
 #include "tsc.hpp"