diff --git a/pyqtgraph/multiprocess/bootstrap.py b/pyqtgraph/multiprocess/bootstrap.py
index d31a1ca6..a20c3e20 100644
--- a/pyqtgraph/multiprocess/bootstrap.py
+++ b/pyqtgraph/multiprocess/bootstrap.py
@@ -1,5 +1,6 @@
 """For starting up remote processes"""
 import sys, pickle, os
+import importlib
 
 if __name__ == '__main__':
     if hasattr(os, 'setpgrp'):
@@ -33,12 +34,8 @@ if __name__ == '__main__':
                 sip.setapi(k, v)
         
     qt_lib = opts.pop('qt_lib', None)
-    if qt_lib == 'PySide':
-        import PySide
-    elif qt_lib == 'PySide2':
-        import PySide2
-    elif qt_lib == 'PyQt5':
-        import PyQt5        
+    if qt_lib is not None:
+        globals()[qt_lib] = importlib.import_module(qt_lib)
     
     targetStr = opts.pop('targetStr')
     try: