diff --git a/intern/cycles/app/io_export_cycles_xml.py b/intern/cycles/app/io_export_cycles_xml.py
index 9a655bf44a8..f5aa70bf2d6 100644
--- a/intern/cycles/app/io_export_cycles_xml.py
+++ b/intern/cycles/app/io_export_cycles_xml.py
@@ -72,7 +72,7 @@ class PHYSICS_PT_fluid_export(RenderButtonsPanel, bpy.types.Panel):
 
         cycles = context.scene.cycles_xml
 
-        #layout.prop(cycles, "filepath")
+        # layout.prop(cycles, "filepath")
         layout.operator("export_mesh.cycles_xml")