diff --git a/packages/coln-compiler/src/Coln/Backend/IR.hs b/packages/coln-compiler/src/Coln/Backend/IR.hs
index afa4d3b9..6c08ab81 100644
--- a/packages/coln-compiler/src/Coln/Backend/IR.hs
+++ b/packages/coln-compiler/src/Coln/Backend/IR.hs
@@ -98,6 +98,7 @@ aeOptions :: AE.Options
 aeOptions =
   AE.defaultOptions
     { AE.allNullaryToStringTag = False
+    , AE.tagSingleConstructors = True
     , AE.constructorTagModifier = \x -> fmap toLower (take 1 x) ++ (drop 1 x)
     }
 
diff --git a/packages/coln-flir-rs/src/ir/mod.rs b/packages/coln-flir-rs/src/ir/mod.rs
index 5a146e15..4988eb97 100644
--- a/packages/coln-flir-rs/src/ir/mod.rs
+++ b/packages/coln-flir-rs/src/ir/mod.rs
@@ -73,7 +73,7 @@ pub enum ColType {
 }
 
 #[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
-#[serde(tag = "tag", rename_all = "camelCase")]
+#[serde(rename_all = "camelCase")]
 pub enum Materialization {
     Recomputed,
     Memoized,
@@ -90,7 +90,9 @@ pub enum IndexMethod {
 #[serde(tag = "tag", rename_all = "camelCase")]
 pub enum EntityVariant {
     Table,
-    View(Materialization),
+    View {
+        materialization: Materialization,
+    },
     Index {
         method: IndexMethod,
         columns: Vec<ColName>,
diff --git a/packages/coln-store/src/commit/wire/root.rs b/packages/coln-store/src/commit/wire/root.rs
index ca188991..41cb737c 100644
--- a/packages/coln-store/src/commit/wire/root.rs
+++ b/packages/coln-store/src/commit/wire/root.rs
@@ -175,7 +175,7 @@ fn read_column_entry(data: &[u8], pos: &mut usize) -> Result<ColumnEntry, CodecE
 fn write_entity_variant(buf: &mut Vec<u8>, variant: &EntityVariant) -> Result<(), CodecError> {
     match variant {
         EntityVariant::Table => write_u8(buf, 0),
-        EntityVariant::View(materialization) => {
+        EntityVariant::View { materialization } => {
             write_u8(buf, 1)?;
             write_materialization(buf, materialization)
         }
@@ -194,7 +194,9 @@ fn write_entity_variant(buf: &mut Vec<u8>, variant: &EntityVariant) -> Result<()
 fn read_entity_variant(data: &[u8], pos: &mut usize) -> Result<EntityVariant, CodecError> {
     match read_u8(data, pos, "entity variant tag")? {
         0 => Ok(EntityVariant::Table),
-        1 => Ok(EntityVariant::View(read_materialization(data, pos)?)),
+        1 => Ok(EntityVariant::View {
+            materialization: read_materialization(data, pos)?,
+        }),
         2 => {
             let method = read_index_method(data, pos)?;
             let column_count = commit_leb128::read_len(data, pos, "index column count")?;