diff --git a/dlls/dwrite/dwrite_private.h b/dlls/dwrite/dwrite_private.h
index e53b4dba0bb..38863b85bd6 100644
--- a/dlls/dwrite/dwrite_private.h
+++ b/dlls/dwrite/dwrite_private.h
@@ -343,7 +343,7 @@ extern HRESULT create_gdiinterop(IDWriteFactory7 *factory, IDWriteGdiInterop1 **
 extern void fontface_detach_from_cache(IDWriteFontFace5 *fontface) DECLSPEC_HIDDEN;
 extern void factory_lock(IDWriteFactory7 *factory) DECLSPEC_HIDDEN;
 extern void factory_unlock(IDWriteFactory7 *factory) DECLSPEC_HIDDEN;
-extern HRESULT create_inmemory_fileloader(IDWriteFontFileLoader**) DECLSPEC_HIDDEN;
+extern HRESULT create_inmemory_fileloader(IDWriteInMemoryFontFileLoader **loader) DECLSPEC_HIDDEN;
 extern HRESULT create_font_resource(IDWriteFactory7 *factory, IDWriteFontFile *file, UINT32 face_index,
         IDWriteFontResource **resource) DECLSPEC_HIDDEN;
 
diff --git a/dlls/dwrite/font.c b/dlls/dwrite/font.c
index d8d892c9ef1..baee8d1e491 100644
--- a/dlls/dwrite/font.c
+++ b/dlls/dwrite/font.c
@@ -6832,7 +6832,7 @@ static const IDWriteInMemoryFontFileLoaderVtbl inmemoryfontfileloadervtbl =
     inmemoryfontfileloader_GetFileCount,
 };
 
-HRESULT create_inmemory_fileloader(IDWriteFontFileLoader **ret)
+HRESULT create_inmemory_fileloader(IDWriteInMemoryFontFileLoader **ret)
 {
     struct dwrite_inmemory_fileloader *loader;
 
@@ -6845,7 +6845,7 @@ HRESULT create_inmemory_fileloader(IDWriteFontFileLoader **ret)
     loader->IDWriteInMemoryFontFileLoader_iface.lpVtbl = &inmemoryfontfileloadervtbl;
     loader->ref = 1;
 
-    *ret = (IDWriteFontFileLoader *)&loader->IDWriteInMemoryFontFileLoader_iface;
+    *ret = &loader->IDWriteInMemoryFontFileLoader_iface;
 
     return S_OK;
 }
diff --git a/dlls/dwrite/main.c b/dlls/dwrite/main.c
index b940d0d801e..a96874b2c2c 100644
--- a/dlls/dwrite/main.c
+++ b/dlls/dwrite/main.c
@@ -1627,7 +1627,8 @@ static HRESULT WINAPI dwritefactory5_CreateFontSetBuilder(IDWriteFactory7 *iface
     return E_NOTIMPL;
 }
 
-static HRESULT WINAPI dwritefactory5_CreateInMemoryFontFileLoader(IDWriteFactory7 *iface, IDWriteFontFileLoader **loader)
+static HRESULT WINAPI dwritefactory5_CreateInMemoryFontFileLoader(IDWriteFactory7 *iface,
+        IDWriteInMemoryFontFileLoader **loader)
 {
     TRACE("%p, %p.\n", iface, loader);
 
diff --git a/dlls/dwrite/tests/font.c b/dlls/dwrite/tests/font.c
index f8abbf9e4b4..07baf112eed 100644
--- a/dlls/dwrite/tests/font.c
+++ b/dlls/dwrite/tests/font.c
@@ -8696,8 +8696,9 @@ static void testowner_init(struct testowner_object *object)
 static void test_inmemory_file_loader(void)
 {
     IDWriteFontFileStream *stream, *stream2, *stream3;
-    IDWriteFontFileLoader *loader, *loader2;
+    IDWriteInMemoryFontFileLoader *loader, *loader2;
     IDWriteInMemoryFontFileLoader *inmemory;
+    IDWriteFontFileLoader *fileloader;
     struct testowner_object ownerobject;
     const void *key, *data, *frag_start;
     UINT64 file_size, size, writetime;
@@ -8727,12 +8728,9 @@ static void test_inmemory_file_loader(void)
     hr = IDWriteFactory5_CreateInMemoryFontFileLoader(factory, &loader2);
     ok(hr == S_OK, "got %#x\n", hr);
     ok(loader != loader2, "unexpected pointer\n");
-    IDWriteFontFileLoader_Release(loader2);
+    IDWriteInMemoryFontFileLoader_Release(loader2);
 
-    hr = IDWriteFontFileLoader_QueryInterface(loader, &IID_IDWriteInMemoryFontFileLoader, (void **)&inmemory);
-    ok(hr == S_OK, "got %#x\n", hr);
-    IDWriteFontFileLoader_Release(loader);
-    EXPECT_REF(inmemory, 1);
+    inmemory = loader;
 
     count = IDWriteInMemoryFontFileLoader_GetFileCount(inmemory);
     ok(!count, "Unexpected file count %u.\n", count);
@@ -8742,15 +8740,15 @@ static void test_inmemory_file_loader(void)
     hr = IDWriteFontFace_GetFiles(fontface, &count, &file);
     ok(hr == S_OK, "got %#x\n", hr);
 
-    hr = IDWriteFontFile_GetLoader(file, &loader);
+    hr = IDWriteFontFile_GetLoader(file, &fileloader);
     ok(hr == S_OK, "got %#x\n", hr);
 
     hr = IDWriteFontFile_GetReferenceKey(file, &key, &key_size);
     ok(hr == S_OK, "got %#x\n", hr);
 
-    hr = IDWriteFontFileLoader_CreateStreamFromKey(loader, key, key_size, &stream);
+    hr = IDWriteFontFileLoader_CreateStreamFromKey(fileloader, key, key_size, &stream);
     ok(hr == S_OK, "got %#x\n", hr);
-    IDWriteFontFileLoader_Release(loader);
+    IDWriteFontFileLoader_Release(fileloader);
     IDWriteFontFile_Release(file);
 
     hr = IDWriteFontFileStream_GetFileSize(stream, &file_size);
@@ -8848,9 +8846,7 @@ static void test_inmemory_file_loader(void)
     hr = IDWriteFactory5_CreateInMemoryFontFileLoader(factory, &loader);
     ok(hr == S_OK, "Failed to create loader, hr %#x.\n", hr);
 
-    hr = IDWriteFontFileLoader_QueryInterface(loader, &IID_IDWriteInMemoryFontFileLoader, (void **)&inmemory);
-    ok(hr == S_OK, "Failed to get in-memory interface, hr %#x.\n", hr);
-    IDWriteFontFileLoader_Release(loader);
+    inmemory = loader;
 
     hr = IDWriteFactory5_RegisterFontFileLoader(factory, (IDWriteFontFileLoader *)inmemory);
     ok(hr == S_OK, "Failed to register loader, hr %#x.\n", hr);
diff --git a/include/dwrite_3.idl b/include/dwrite_3.idl
index 54d204f39fb..f5ee6157cd7 100644
--- a/include/dwrite_3.idl
+++ b/include/dwrite_3.idl
@@ -923,7 +923,7 @@ interface IDWriteInMemoryFontFileLoader : IDWriteFontFileLoader
 interface IDWriteFactory5 : IDWriteFactory4
 {
     HRESULT CreateFontSetBuilder(IDWriteFontSetBuilder1 **fontset_builder);
-    HRESULT CreateInMemoryFontFileLoader(IDWriteFontFileLoader **loader);
+    HRESULT CreateInMemoryFontFileLoader(IDWriteInMemoryFontFileLoader **loader);
     HRESULT CreateHttpFontFileLoader(
         WCHAR const *referrer_url,
         WCHAR const *extra_headers,