diff --git a/cli/src/generator/models/mod.rs b/cli/src/generator/models/mod.rs
index 05e77419..c2189bf1 100644
--- a/cli/src/generator/models/mod.rs
+++ b/cli/src/generator/models/mod.rs
@@ -596,10 +596,7 @@ pub fn generate(args: &GenerateArgs, module_path: TokenStream) -> Vec<TokenStrea
                                 quote! {
                                     Self::#is_null_variant => (
                                         #field_string,
-                                        #pcr::SerializedWhereValue::Object(vec![(
-                                            "equals".to_string(),
-                                            #pcr::PrismaValue::Null
-                                        )])
+                                        #pcr::SerializedWhereValue::Value(#pcr::PrismaValue::Null)
                                     )
                                 },
                             );
@@ -648,7 +645,7 @@ pub fn generate(args: &GenerateArgs, module_path: TokenStream) -> Vec<TokenStrea
                         quote! {
                             Self::#equals_variant_name(value) => (
                                 #field_string,
-                                #pcr::SerializedWhereValue::Object(vec![("equals".to_string(), #type_as_prisma_value)])
+                                #pcr::SerializedWhereValue::Value(#type_as_prisma_value)
                             )
                         }
                     );
diff --git a/integration-tests/tests/find_many.rs b/integration-tests/tests/find_many.rs
index 92c674fa..f14eca6a 100644
--- a/integration-tests/tests/find_many.rs
+++ b/integration-tests/tests/find_many.rs
@@ -264,6 +264,15 @@ async fn filtering_one_to_one_relation() -> TestResult {
     assert_eq!(users.len(), 1);
     assert_eq!(users[0].name, "Jamie");
 
+    let users = client
+        .user()
+        .find_many(vec![user::profile::is_null()])
+        .exec()
+        .await?;
+    dbg!(&users);
+    assert_eq!(users.len(), 1);
+    assert_eq!(users[0].name, "Jamie");
+
     cleanup(client).await
 }
 
diff --git a/src/queries/mod.rs b/src/queries/mod.rs
index d96d11b6..bd5e8e2e 100644
--- a/src/queries/mod.rs
+++ b/src/queries/mod.rs
@@ -96,6 +96,7 @@ impl ModelActionType {
 pub enum SerializedWhereValue {
     Object(Vec<(String, prisma_models::PrismaValue)>),
     List(Vec<prisma_models::PrismaValue>),
+    Value(prisma_models::PrismaValue),
 }
 
 impl Into<prisma_models::PrismaValue> for SerializedWhereValue {
@@ -103,6 +104,7 @@ impl Into<prisma_models::PrismaValue> for SerializedWhereValue {
         match self {
             Self::Object(v) => prisma_models::PrismaValue::Object(v),
             Self::List(v) => prisma_models::PrismaValue::List(v),
+            Self::Value(v) => v,
         }
     }
 }
@@ -138,6 +140,7 @@ impl SerializedWhereInput {
                     None => prisma_models::PrismaValue::Object(params),
                 },
                 SerializedWhereValue::List(values) => prisma_models::PrismaValue::List(values),
+                SerializedWhereValue::Value(v) => v,
             },
         )
     }