diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7153c37..c19a28e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.1.2]
+
+- Fix issue where we looked for mutation fields in the query type, making all mutations fail
+
 ## [0.1.1]
 
 - Forward errors from underlying source to users using 422 status code
diff --git a/Cargo.lock b/Cargo.lock
index 62e78aa..25da144 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -354,7 +354,7 @@ dependencies = [
 
 [[package]]
 name = "common"
-version = "0.1.1"
+version = "0.1.2"
 dependencies = [
  "glob-match",
  "graphql-parser",
@@ -1124,7 +1124,7 @@ dependencies = [
 
 [[package]]
 name = "ndc-graphql"
-version = "0.1.1"
+version = "0.1.2"
 dependencies = [
  "async-trait",
  "common",
@@ -1142,7 +1142,7 @@ dependencies = [
 
 [[package]]
 name = "ndc-graphql-cli"
-version = "0.1.1"
+version = "0.1.2"
 dependencies = [
  "clap",
  "common",
diff --git a/Cargo.toml b/Cargo.toml
index 8cf324a..63e8d9a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -2,5 +2,5 @@
 members = ["crates/ndc-graphql", "crates/ndc-graphql-cli", "crates/common"]
 resolver = "2"
 
-package.version = "0.1.1"
+package.version = "0.1.2"
 package.edition = "2021"
diff --git a/crates/ndc-graphql/src/query_builder.rs b/crates/ndc-graphql/src/query_builder.rs
index 137d6a2..bebe211 100644
--- a/crates/ndc-graphql/src/query_builder.rs
+++ b/crates/ndc-graphql/src/query_builder.rs
@@ -52,11 +52,13 @@ pub fn build_mutation_document(
             } => {
                 let alias = format!("procedure_{index}");
                 let field_definition =
-                    configuration.schema.query_fields.get(name).ok_or_else(|| {
-                        QueryBuilderError::QueryFieldNotFound {
+                    configuration
+                        .schema
+                        .mutation_fields
+                        .get(name)
+                        .ok_or_else(|| QueryBuilderError::MutationFieldNotFound {
                             field: name.to_owned(),
-                        }
-                    })?;
+                        })?;
 
                 let (headers, procedure_arguments) =
                     extract_headers(arguments, map_arg, configuration)?;