diff --git a/aqt/qt.py b/aqt/qt.py
index 7fc68529c..981618e54 100644
--- a/aqt/qt.py
+++ b/aqt/qt.py
@@ -36,6 +36,9 @@ if os.environ.get("DEBUG"):
 
 qtmajor = (QT_VERSION & 0xff0000) >> 16
 qtminor = (QT_VERSION & 0x00ff00) >> 8
+qtpoint = QT_VERSION & 0xff
 
 if qtmajor < 5 or (qtmajor == 5 and qtminor < 5):
     raise Exception("Qt must be 5.5+")
+if qtmajor == 5 and qtminor == 7 and qtpoint == 0:
+    raise Exception("Your Qt version is known to be broken.")