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-rw-r--r--app/models/application_setting_implementation.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/app/models/application_setting_implementation.rb b/app/models/application_setting_implementation.rb
index ee12a1d09f3..e51619b0f9c 100644
--- a/app/models/application_setting_implementation.rb
+++ b/app/models/application_setting_implementation.rb
@@ -8,7 +8,7 @@ module ApplicationSettingImplementation
\s # any whitespace character
| # or
[\r\n] # any number of newline characters
- }x
+ }x.freeze
# Setting a key restriction to `-1` means that all keys of this type are
# forbidden.