diff --git a/direct/src/plugin/handleStreamBuf.cxx b/direct/src/plugin/handleStreamBuf.cxx
index 08ef661779..f0db76a1e1 100644
--- a/direct/src/plugin/handleStreamBuf.cxx
+++ b/direct/src/plugin/handleStreamBuf.cxx
@@ -22,9 +22,12 @@
 #include <sys/stat.h>
 #include <fcntl.h>
 #include <errno.h>
-#include <libio.h>
 #endif  // _WIN32
 
+#if !defined(_WIN32) && !defined(__APPLE__)
+#include <libio.h>
+#endif // !_WIN32 && !__APPLE__
+
 static const size_t handle_buffer_size = 4096;
 
 ////////////////////////////////////////////////////////////////////