diff --git a/src/Network/GRPC/Unsafe/Op.chs b/src/Network/GRPC/Unsafe/Op.chs
index e7c82e2..fd8bc01 100644
--- a/src/Network/GRPC/Unsafe/Op.chs
+++ b/src/Network/GRPC/Unsafe/Op.chs
@@ -18,7 +18,7 @@ import Foreign.Ptr
 {#context prefix = "grpc" #}
 
 {#enum grpc_op_type as OpType {underscoreToCase} deriving (Eq, Show)#}
-{#enum grpc_status_code as StatusCode {underscoreToCase} deriving (Eq, Show)#}
+{#enum grpc_status_code as StatusCode {underscoreToCase} deriving (Eq, Read, Show)#}
 
 -- NOTE: We don't alloc the space for the enum in Haskell because enum size is
 -- implementation-dependent. See: