diff --git a/lib/azure_blob/http.rb b/lib/azure_blob/http.rb
index d5436c1..6f3d614 100644
--- a/lib/azure_blob/http.rb
+++ b/lib/azure_blob/http.rb
@@ -19,7 +19,7 @@ def inspect
       end
     end
     class FileNotFoundError < Error; end
-    class ForbidenError < Error; end
+    class ForbiddenError < Error; end
     class IntegrityError < Error; end
 
     include REXML
@@ -94,7 +94,7 @@ def success?
 
     ERROR_MAPPINGS = {
       Net::HTTPNotFound => FileNotFoundError,
-      Net::HTTPForbidden => ForbidenError,
+      Net::HTTPForbidden => ForbiddenError,
     }
 
     ERROR_CODE_MAPPINGS = {
diff --git a/test/client/test_client.rb b/test/client/test_client.rb
index 9fac222..86c1008 100644
--- a/test/client/test_client.rb
+++ b/test/client/test_client.rb
@@ -294,7 +294,7 @@ def test_read_only_signed_uri
       permissions: "r",
       expiry: Time.at(Time.now.to_i + EXPIRATION).utc.iso8601,
     )
-    assert_raises(AzureBlob::Http::ForbidenError) do
+    assert_raises(AzureBlob::Http::ForbiddenError) do
       AzureBlob::Http.new(uri, { "x-ms-blob-type": "BlockBlob" }).put(content)
     end