diff --git a/src/plugins/ispellchecker/ispellcheckerclient.cpp b/src/plugins/ispellchecker/ispellcheckerclient.cpp
--- a/src/plugins/ispellchecker/ispellcheckerclient.cpp
+++ b/src/plugins/ispellchecker/ispellcheckerclient.cpp
@@ -19,7 +19,7 @@
     m_wasCOMInitialized = SUCCEEDED(CoInitializeEx(nullptr, COINIT_MULTITHREADED));
 
     // get factory
-    if (SUCCEEDED(CoCreateInstance(__uuidof(SpellCheckerFactory), nullptr, CLSCTX_INPROC_SERVER, IID_PPV_ARGS(&m_spellCheckerFactory)))) {
+    if (SUCCEEDED(CoCreateInstance(__uuidof(SpellCheckerFactory), nullptr, CLSCTX_INPROC_SERVER, IID_PPV_ARGS(&m_spellCheckerFactory))) && m_spellCheckerFactory) {
         // if we have a factory, cache the language names
         IEnumString* enumLanguages = nullptr;
         if (SUCCEEDED(m_spellCheckerFactory->get_SupportedLanguages(&enumLanguages))) {
@@ -41,15 +41,15 @@
 
 ISpellCheckerClient::~ISpellCheckerClient()
 {
-    // de-init com if needed
-    if (m_wasCOMInitialized) {
-        CoUninitialize();
-    }
-
     // release factory
     if (m_spellCheckerFactory) {
         m_spellCheckerFactory->Release();
     }
+
+    // de-init com if needed after we released the interface!
+    if (m_wasCOMInitialized) {
+        CoUninitialize();
+    }
 }
 
 SpellerPlugin *ISpellCheckerClient::createSpeller(const QString &language)
diff --git a/src/plugins/ispellchecker/ispellcheckerdict.cpp b/src/plugins/ispellchecker/ispellcheckerdict.cpp
--- a/src/plugins/ispellchecker/ispellcheckerdict.cpp
+++ b/src/plugins/ispellchecker/ispellcheckerdict.cpp
@@ -13,7 +13,7 @@
     : SpellerPlugin(language)
 {
     // try to init checker
-    if (!SUCCEEDED(spellCheckerFactory->CreateSpellChecker(language.toStdWString().c_str(), &m_spellChecker))) {
+    if (!spellCheckerFactory || !SUCCEEDED(spellCheckerFactory->CreateSpellChecker(language.toStdWString().c_str(), &m_spellChecker))) {
         m_spellChecker = nullptr;
     }
 }