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-rw-r--r--common/src/Common/Model/Frequency.hs2
1 files changed, 1 insertions, 1 deletions
diff --git a/common/src/Common/Model/Frequency.hs b/common/src/Common/Model/Frequency.hs
index ee502e8..48e75ea 100644
--- a/common/src/Common/Model/Frequency.hs
+++ b/common/src/Common/Model/Frequency.hs
@@ -8,7 +8,7 @@ import GHC.Generics (Generic)
data Frequency =
Punctual
| Monthly
- deriving (Eq, Read, Show, Generic)
+ deriving (Eq, Read, Show, Generic, Ord)
instance FromJSON Frequency
instance ToJSON Frequency