1 files changed, 2 insertions, 2 deletions
diff --git a/unix/tclUnixTest.c b/unix/tclUnixTest.c
index 0d5b683..021e0f6 100644
--- a/unix/tclUnixTest.c
+++ b/unix/tclUnixTest.c
@@ -572,8 +572,8 @@ TestforkObjCmd(
                 "Cannot fork", NULL);
         return TCL_ERROR;
     }
-#ifndef HAVE_PTHREAD_ATFORK
-    /* Only needed when pthread_atfork is not present. */
+#if !defined(HAVE_PTHREAD_ATFORK) || defined(MAC_OSX_TCL)
+    /* Only needed when pthread_atfork is not present or on OSX. */
     if (pid==0) {
 	Tcl_InitNotifier();
     }