diff --git a/src/backends/x11/meta-output-xrandr.c b/src/backends/x11/meta-output-xrandr.c
index bc54bb119..11f693a04 100644
--- a/src/backends/x11/meta-output-xrandr.c
+++ b/src/backends/x11/meta-output-xrandr.c
@@ -470,6 +470,8 @@ output_get_max_bpc_range_xrandr (Display      *xdisplay,
   if (max)
     *max = values[1];
 
+  XFree (property_info);
+
   return TRUE;
 }