diff --git a/Mac/BuildScript/scripts/postflight.documentation b/Mac/BuildScript/scripts/postflight.documentation
index 30d2ee5..31fbf2f 100755
--- a/Mac/BuildScript/scripts/postflight.documentation
+++ b/Mac/BuildScript/scripts/postflight.documentation
@@ -27,6 +27,6 @@
 if [ -d "${SHARE_DIR}" ]; then
     mkdir -p "${SHARE_DOCDIR}"
     # make relative link to html doc directory
-    ln -s "${SHARE_DOCDIR_TO_FWK}/${FWK_DOCDIR_SUBPATH}" "${SHARE_DOCDIR}/html"
+    ln -fhs "${SHARE_DOCDIR_TO_FWK}/${FWK_DOCDIR_SUBPATH}" "${SHARE_DOCDIR}/html"
 fi
 
diff --git a/Misc/NEWS b/Misc/NEWS
index 40c5644..bd086c8 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -173,6 +173,9 @@
 Build
 -----
 
+- Issue #11268: Prevent Mac OS X Installer failure if Documentation
+  package had previously been installed.
+
 - Issue #11079: The /Applications/Python x.x folder created by the Mac
   OS X installers now includes a link to the installed documentation.