diff --git a/RELEASE.md b/RELEASE.md
new file mode 100644
index 0000000000..13075aa444
--- /dev/null
+++ b/RELEASE.md
@@ -0,0 +1,3 @@
+Release type: patch
+
+This release fixes an issue where a GET request is processed despite it being disallowed.
diff --git a/strawberry/http/async_base_view.py b/strawberry/http/async_base_view.py
index 7eef89aa40..abb83ced91 100644
--- a/strawberry/http/async_base_view.py
+++ b/strawberry/http/async_base_view.py
@@ -2,6 +2,7 @@
 import asyncio
 import contextlib
 import json
+from http import HTTPStatus
 from typing import (
     Any,
     AsyncGenerator,
@@ -184,6 +185,12 @@ async def run(
             else:
                 raise HTTPException(404, "Not Found")
 
+        if request_adapter.method == "GET" and not self.allow_queries_via_get:
+            raise HTTPException(
+                HTTPStatus.METHOD_NOT_ALLOWED,
+                HTTPStatus.METHOD_NOT_ALLOWED.phrase,
+            )
+
         sub_response = await self.get_sub_response(request)
         context = (
             await self.get_context(request, response=sub_response)
diff --git a/strawberry/http/sync_base_view.py b/strawberry/http/sync_base_view.py
index f1ce7ca19a..4307cf1057 100644
--- a/strawberry/http/sync_base_view.py
+++ b/strawberry/http/sync_base_view.py
@@ -1,5 +1,6 @@
 import abc
 import json
+from http import HTTPStatus
 from typing import (
     Any,
     Callable,
@@ -180,6 +181,12 @@ def run(
             else:
                 raise HTTPException(404, "Not Found")
 
+        if request_adapter.method == "GET" and not self.allow_queries_via_get:
+            raise HTTPException(
+                HTTPStatus.METHOD_NOT_ALLOWED,
+                HTTPStatus.METHOD_NOT_ALLOWED.phrase,
+            )
+
         sub_response = self.get_sub_response(request)
         context = (
             self.get_context(request, response=sub_response)
diff --git a/tests/http/test_query_via_get.py b/tests/http/test_query_via_get.py
index 5e7557a197..58b99af6ff 100644
--- a/tests/http/test_query_via_get.py
+++ b/tests/http/test_query_via_get.py
@@ -1,3 +1,5 @@
+from http import HTTPStatus
+
 from .clients.base import HttpClient
 
 
@@ -40,5 +42,5 @@ async def test_fails_if_allow_queries_via_get_false(http_client_class):
 
     response = await http_client.query(method="get", query="{ hello }")
 
-    assert response.status_code == 400
-    assert "queries are not allowed when using GET" in response.text
+    assert response.status_code == HTTPStatus.METHOD_NOT_ALLOWED
+    assert HTTPStatus.METHOD_NOT_ALLOWED.phrase in response.text