diff --git a/src/Mod/OpenSCAD/prototype.py b/src/Mod/OpenSCAD/prototype.py
index 76010b7eb4..47f0f8aede 100644
--- a/src/Mod/OpenSCAD/prototype.py
+++ b/src/Mod/OpenSCAD/prototype.py
@@ -661,7 +661,7 @@ def readfile(filename):
         f = pythonopen(tmpfile)
     else:
         f = pythonopen(filename)
-    rootnode =  p arsenode(f.read())[0]
+    rootnode =  parsenode(f.read())[0]
     f.close()
     if isopenscad and tmpfile:
         try: