diff --git a/thefuck/rules/missing_space_before_subcommand.py b/thefuck/rules/missing_space_before_subcommand.py
index c199e03..410cb4b 100644
--- a/thefuck/rules/missing_space_before_subcommand.py
+++ b/thefuck/rules/missing_space_before_subcommand.py
@@ -16,3 +16,6 @@ def match(command):
 def get_new_command(command):
     executable = _get_executable(command.script_parts[0])
     return command.script.replace(executable, u'{} '.format(executable), 1)
+
+
+priority = 4000