diff --git a/dlls/atl/tests/registrar.c b/dlls/atl/tests/registrar.c
index 422608b9479..9c5dd23e19b 100644
--- a/dlls/atl/tests/registrar.c
+++ b/dlls/atl/tests/registrar.c
@@ -59,6 +59,12 @@ static void test_registrar(void)
     INT count;
     WCHAR *textW = NULL;
 
+    if (!GetProcAddress(GetModuleHandleA("atl.dll"), "AtlAxAttachControl"))
+    {
+        win_skip("Old versions of atl.dll don't support binary values\n");
+        return;
+    }
+
     hr = CoCreateInstance(&CLSID_Registrar, NULL, CLSCTX_INPROC_SERVER, &IID_IRegistrar, (void**)&registrar);
     if (FAILED(hr))
     {
@@ -78,7 +84,7 @@ static void test_registrar(void)
 
         MultiByteToWideChar(CP_ACP, 0, textA, -1, textW, count);
         hr = IRegistrar_StringRegister(registrar, textW);
-        ok(SUCCEEDED(hr), "IRegistar_StringRegister failed, hr = 0x%08X\n", hr);
+        ok(SUCCEEDED(hr), "IRegistrar_StringRegister failed, hr = 0x%08X\n", hr);
 
         lret = RegOpenKeyA(HKEY_CLASSES_ROOT, "eebf73c4-50fd-478f-bbcf-db212221227a", &key);
         ok(lret == ERROR_SUCCESS, "error %d opening registry key\n", lret);
@@ -106,20 +112,22 @@ static void test_registrar(void)
         size = 4;
         lret = RegQueryValueExA(key, "binary_quoted", NULL, NULL, bytes, &size);
         ok(lret == ERROR_SUCCESS, "RegQueryValueA, failed, error %d\n", lret);
-        ok(bytes[0] = 0xde && bytes[1] == 0xad && bytes[2] == 0xbe && bytes[3] == 0xef,
+        ok(bytes[0] == 0xde && bytes[1] == 0xad && bytes[2] == 0xbe && bytes[3] == 0xef,
             "binary quoted value was not preserved (it's 0x%02X%02X%02X%02X)\n",
             0xff & bytes[0], 0xff & bytes[1], 0xff & bytes[2], 0xff & bytes[3]);
 
         size = 4;
         lret = RegQueryValueExA(key, "binary_unquoted", NULL, NULL, bytes, &size);
         ok(lret == ERROR_SUCCESS, "RegQueryValueA, failed, error %d\n", lret);
-        ok(bytes[0] = 0xde && bytes[1] == 0xad && bytes[2] == 0xbe && bytes[3] == 0xef,
+        ok(bytes[0] == 0xde && bytes[1] == 0xad && bytes[2] == 0xbe && bytes[3] == 0xef,
             "binary unquoted value was not preserved (it's 0x%02X%02X%02X%02X)\n",
             0xff & bytes[0], 0xff & bytes[1], 0xff & bytes[2], 0xff & bytes[3]);
 
         hr = IRegistrar_StringUnregister(registrar, textW);
-        ok(SUCCEEDED(hr), "IRegistar_StringUnregister failed, hr = 0x%08X\n", hr);
+        ok(SUCCEEDED(hr), "IRegistrar_StringUnregister failed, hr = 0x%08X\n", hr);
         RegCloseKey(key);
+
+        HeapFree(GetProcessHeap(), 0, textW);
     }
     else
         skip("allocating memory failed\n");