diff --git a/dlls/d3dx10_43/compiler.c b/dlls/d3dx10_43/compiler.c
index 98553e78b1b..281dae329e5 100644
--- a/dlls/d3dx10_43/compiler.c
+++ b/dlls/d3dx10_43/compiler.c
@@ -107,6 +107,9 @@ HRESULT WINAPI D3DX10CreateEffectFromFileW(const WCHAR *filename, const D3D10_SH
             debugstr_w(filename), defines, include, debugstr_a(profile), shader_flags, effect_flags,
             device, effect_pool, pump, effect, errors, hresult);
 
+    if (!filename)
+        return E_FAIL;
+
     if (pump)
         FIXME("Asynchronous mode is not supported.\n");
 
@@ -139,7 +142,7 @@ HRESULT WINAPI D3DX10CreateEffectFromFileA(const char *filename, const D3D10_SHA
             device, effect_pool, pump, effect, errors, hresult);
 
     if (!filename)
-        return E_INVALIDARG;
+        return E_FAIL;
 
     len = MultiByteToWideChar(CP_ACP, 0, filename, -1, NULL, 0);
     if (!(filenameW = malloc(len * sizeof(*filenameW))))
diff --git a/dlls/d3dx10_43/tests/d3dx10.c b/dlls/d3dx10_43/tests/d3dx10.c
index 781c28371b3..8c89a08b734 100644
--- a/dlls/d3dx10_43/tests/d3dx10.c
+++ b/dlls/d3dx10_43/tests/d3dx10.c
@@ -4054,7 +4054,7 @@ static void test_create_effect_from_file(void)
     effect = (ID3D10Effect *)0xdeadbeef;
     hr = D3DX10CreateEffectFromFileW(NULL, NULL, NULL, NULL, 0x0, 0x0,
             device, NULL, NULL, &effect, &errors, NULL);
-    todo_wine ok(hr == E_FAIL, "Got unexpected hr %#lx.\n", hr);
+    ok(hr == E_FAIL, "Got unexpected hr %#lx.\n", hr);
     ok(errors == (ID3D10Blob *)0xdeadbeef, "Got unexpected errors %p.\n", errors);
     ok(effect == (ID3D10Effect *)0xdeadbeef, "Got unexpected effect %p.\n", effect);
 
@@ -4062,7 +4062,7 @@ static void test_create_effect_from_file(void)
     effect = (ID3D10Effect *)0xdeadbeef;
     hr = D3DX10CreateEffectFromFileA(NULL, NULL, NULL, NULL, 0x0, 0x0,
             device, NULL, NULL, &effect, &errors, NULL);
-    todo_wine ok(hr == E_FAIL, "Got unexpected hr %#lx.\n", hr);
+    ok(hr == E_FAIL, "Got unexpected hr %#lx.\n", hr);
     ok(errors == (ID3D10Blob *)0xdeadbeef, "Got unexpected errors %p.\n", errors);
     ok(effect == (ID3D10Effect *)0xdeadbeef, "Got unexpected effect %p.\n", effect);