diff --git a/crates/torii/grpc/proto/types.proto b/crates/torii/grpc/proto/types.proto
index 70b630159e..deb84032cd 100644
--- a/crates/torii/grpc/proto/types.proto
+++ b/crates/torii/grpc/proto/types.proto
@@ -112,11 +112,18 @@ message HashedKeysClause {
     repeated bytes hashed_keys = 1;
 }
 
+message MemberValue {
+    oneof value_type {
+        Primitive primitive = 1;
+        string string = 2;
+    }
+}
+
 message MemberClause {
     string model = 2;
     string member = 3;
     ComparisonOperator operator = 4;
-    Primitive value = 5;
+    MemberValue value = 5;
 }
 
 message CompositeClause {
diff --git a/crates/torii/grpc/src/server/mod.rs b/crates/torii/grpc/src/server/mod.rs
index 30054029c1..3eb8cf035c 100644
--- a/crates/torii/grpc/src/server/mod.rs
+++ b/crates/torii/grpc/src/server/mod.rs
@@ -41,6 +41,7 @@ use self::subscriptions::entity::EntityManager;
 use self::subscriptions::event_message::EventMessageManager;
 use self::subscriptions::model_diff::{ModelDiffRequest, StateDiffManager};
 use crate::proto::types::clause::ClauseType;
+use crate::proto::types::member_value::ValueType;
 use crate::proto::world::world_server::WorldServer;
 use crate::proto::world::{
     SubscribeEntitiesRequest, SubscribeEntityResponse, SubscribeEventsResponse,
@@ -504,10 +505,15 @@ impl DojoWorld {
         let comparison_operator = ComparisonOperator::from_repr(member_clause.operator as usize)
             .expect("invalid comparison operator");
 
-        let primitive: Primitive =
-            member_clause.value.ok_or(QueryError::MissingParam("value".into()))?.try_into()?;
-
-        let comparison_value = primitive.to_sql_value()?;
+        let comparison_value =
+            match member_clause.value.ok_or(QueryError::MissingParam("value".into()))?.value_type {
+                Some(ValueType::String(value)) => value,
+                Some(ValueType::Primitive(value)) => {
+                    let primitive: Primitive = value.try_into()?;
+                    primitive.to_sql_value()?
+                }
+                None => return Err(QueryError::MissingParam("value_type".into()).into()),
+            };
 
         let (namespace, model) = member_clause
             .model
@@ -619,8 +625,18 @@ impl DojoWorld {
                     let comparison_operator =
                         ComparisonOperator::from_repr(member.operator as usize)
                             .expect("invalid comparison operator");
-                    let value: Primitive = member.value.unwrap().try_into()?;
-                    let comparison_value = value.to_sql_value()?;
+                    let comparison_value = match member
+                        .value
+                        .ok_or(QueryError::MissingParam("value".into()))?
+                        .value_type
+                    {
+                        Some(ValueType::String(value)) => value,
+                        Some(ValueType::Primitive(value)) => {
+                            let primitive: Primitive = value.try_into()?;
+                            primitive.to_sql_value()?
+                        }
+                        None => return Err(QueryError::MissingParam("value_type".into()).into()),
+                    };
 
                     let column_name = format!("external_{}", member.member);
 
diff --git a/crates/torii/grpc/src/types/mod.rs b/crates/torii/grpc/src/types/mod.rs
index 290dfd4881..fad16b3739 100644
--- a/crates/torii/grpc/src/types/mod.rs
+++ b/crates/torii/grpc/src/types/mod.rs
@@ -11,6 +11,7 @@ use starknet::core::types::{
 };
 use strum_macros::{AsRefStr, EnumIter, FromRepr};
 
+use crate::proto::types::member_value;
 use crate::proto::{self};
 
 pub mod schema;
@@ -54,12 +55,18 @@ pub enum PatternMatching {
     VariableLen,
 }
 
+#[derive(Debug, Serialize, Deserialize, PartialEq, Hash, Eq, Clone)]
+pub enum MemberValue {
+    Primitive(Primitive),
+    String(String),
+}
+
 #[derive(Debug, Serialize, Deserialize, PartialEq, Hash, Eq, Clone)]
 pub struct MemberClause {
     pub model: String,
     pub member: String,
     pub operator: ComparisonOperator,
-    pub value: Primitive,
+    pub value: MemberValue,
 }
 
 #[derive(Debug, Serialize, Deserialize, PartialEq, Hash, Eq, Clone)]
@@ -284,7 +291,7 @@ impl From<MemberClause> for proto::types::MemberClause {
             model: value.model,
             member: value.member,
             operator: value.operator as i32,
-            value: Some(value.value.into()),
+            value: Some(proto::types::MemberValue { value_type: Some(value.value.into()) }),
         }
     }
 }
@@ -298,6 +305,17 @@ impl From<CompositeClause> for proto::types::CompositeClause {
     }
 }
 
+impl From<MemberValue> for member_value::ValueType {
+    fn from(value: MemberValue) -> Self {
+        match value {
+            MemberValue::Primitive(primitive) => {
+                member_value::ValueType::Primitive(primitive.into())
+            }
+            MemberValue::String(string) => member_value::ValueType::String(string),
+        }
+    }
+}
+
 impl From<Value> for proto::types::Value {
     fn from(value: Value) -> Self {
         let value_type = match value.value_type {