diff --git a/aqt/main.py b/aqt/main.py
index 5ef98e1f4..1ba359950 100644
--- a/aqt/main.py
+++ b/aqt/main.py
@@ -73,6 +73,7 @@ class AnkiQt(QMainWindow):
         self.setupThreads()
         self.setupMediaServer()
         self.setupSound()
+        self.setupSpellCheck()
         self.setupMainWindow()
         self.setupSystemSpecific()
         self.setupStyle()
@@ -637,6 +638,10 @@ title="%s" %s>%s</button>''' % (
         if not self.safeMode:
             self.addonManager.loadAddons()
 
+    def setupSpellCheck(self):
+        os.environ["QTWEBENGINE_DICTIONARIES_PATH"] = (
+            os.path.join(self.pm.base, "dictionaries"))
+
     def setupThreads(self):
         self._mainThread = QThread.currentThread()