--- a/cmake/modules/FindPyQt5.py
+++ b/cmake/modules/FindPyQt5.py
@@ -43,7 +43,7 @@ except ValueError:
 
 pyqt_sip_dir = os.path.join(get_python_lib(plat_specific=1), "PyQt5", "bindings")
 if not os.path.exists(pyqt_sip_dir):  # Fallback for older PyQt5/SIP
-    pyqt_sip_dir = os.path.join(sys.prefix, "share", "sip", "PyQt5")
+    pyqt_sip_dir = os.path.join(sys.prefix, "share", "sip3", "PyQt5")
 print("pyqt_sip_dir:%s" % pyqt_sip_dir)
 
 print("pyqt_sip_flags:%s" % PyQt5.QtCore.PYQT_CONFIGURATION["sip_flags"])