diff --git a/qframelesswindow/__init__.py b/qframelesswindow/__init__.py
index b4b39be..3d67356 100644
--- a/qframelesswindow/__init__.py
+++ b/qframelesswindow/__init__.py
@@ -12,7 +12,7 @@
 :license: GPLv3, see LICENSE for more details.
 """
 
-__version__ = "0.3.7"
+__version__ = "0.3.8"
 
 import sys
 
diff --git a/qframelesswindow/windows/__init__.py b/qframelesswindow/windows/__init__.py
index b5749e2..b81f506 100644
--- a/qframelesswindow/windows/__init__.py
+++ b/qframelesswindow/windows/__init__.py
@@ -82,7 +82,8 @@ def nativeEvent(self, eventType, message):
             pos = QCursor.pos()
             xPos = pos.x() - self.x()
             yPos = pos.y() - self.y()
-            w, h = self.width(), self.height()
+            w = self.frameGeometry().width()
+            h = self.frameGeometry().height()
 
             # fixes issue https://github.com/zhiyiYo/PyQt-Frameless-Window/issues/98
             bw = 0 if win_utils.isMaximized(msg.hWnd) or win_utils.isFullScreen(msg.hWnd) else self.BORDER_WIDTH
diff --git a/setup.py b/setup.py
index cc0162c..6356ed3 100644
--- a/setup.py
+++ b/setup.py
@@ -6,7 +6,7 @@
 
 setuptools.setup(
     name="PyQt5-Frameless-Window",
-    version="0.3.7",
+    version="0.3.8",
     keywords="pyqt frameless",
     author="zhiyiYo",
     author_email="shokokawaii@outlook.com",