diff --git a/libr/include/r_th.h b/libr/include/r_th.h
index 0eb64d7d06..518dc0e067 100644
--- a/libr/include/r_th.h
+++ b/libr/include/r_th.h
@@ -84,8 +84,12 @@
 #if __linux__ && __GLIBC_MINOR < 12
 #define HAVE_PTHREAD_NP 0
 #else
+#if __APPLE__ && __ppc__
+#define HAVE_PTHREAD_NP 0
+#else
 #define HAVE_PTHREAD_NP 1
 #endif
+#endif
 #if __APPLE__
 #include <pthread.h>
 #endif