diff --git a/compiler/errors/compiler.py b/compiler/errors/compiler.py
index d5cccaf4..feda9231 100644
--- a/compiler/errors/compiler.py
+++ b/compiler/errors/compiler.py
@@ -96,6 +96,7 @@ def start():
 
                     sub_class = caml(re.sub(r"_X", "_", error_id))
                     sub_class = re.sub(r"^2", "Two", sub_class)
+                    sub_class = re.sub(r" ", "", sub_class)
 
                     f_all.write("        \"{}\": \"{}\",\n".format(error_id, sub_class))