diff --git a/subprojects/gstreamer/gst/gstpluginloader-win32.c b/subprojects/gstreamer/gst/gstpluginloader-win32.c
index 20644e16b6..9844379cd2 100644
--- a/subprojects/gstreamer/gst/gstpluginloader-win32.c
+++ b/subprojects/gstreamer/gst/gstpluginloader-win32.c
@@ -514,6 +514,8 @@ gst_plugin_loader_spawn (GstPluginLoader * loader)
       helper_bin = g_strdup (GST_PLUGIN_SCANNER_INSTALLED);
     }
 
+#undef MAX_PATH_DEPTH
+
     GST_DEBUG ("using system plugin scanner at %s", helper_bin);
 
     res = gst_plugin_loader_try_helper (loader, helper_bin);
diff --git a/subprojects/gstreamer/gst/gstpluginloader.c b/subprojects/gstreamer/gst/gstpluginloader.c
index fdc6fbe398..645172f0bb 100644
--- a/subprojects/gstreamer/gst/gstpluginloader.c
+++ b/subprojects/gstreamer/gst/gstpluginloader.c
@@ -529,6 +529,8 @@ gst_plugin_loader_spawn (GstPluginLoader * loader)
       helper_bin = g_strdup (GST_PLUGIN_SCANNER_INSTALLED);
     }
 
+#undef MAX_PATH_DEPTH
+
     GST_DEBUG ("using system plugin scanner at %s", helper_bin);
 
     res = gst_plugin_loader_try_helper (loader, helper_bin);
diff --git a/subprojects/gstreamer/libs/gst/net/gstptpclock.c b/subprojects/gstreamer/libs/gst/net/gstptpclock.c
index dd6779c416..ff1621d7b9 100644
--- a/subprojects/gstreamer/libs/gst/net/gstptpclock.c
+++ b/subprojects/gstreamer/libs/gst/net/gstptpclock.c
@@ -2323,6 +2323,8 @@ gst_ptp_init (guint64 clock_id, gchar ** interfaces)
     }
   }
 
+#undef MAX_PATH_DEPTH
+
   GST_LOG ("Using PTP helper process: %s", argv[argc_c - 1]);
 
   if (clock_id != GST_PTP_CLOCK_ID_NONE) {