diff --git a/sources/shiboken2/libshiboken/embed/signature_bootstrap.py b/sources/shiboken2/libshiboken/embed/signature_bootstrap.py
index 9028642..c70abc5 100644
--- a/sources/shiboken2/libshiboken/embed/signature_bootstrap.py
+++ b/sources/shiboken2/libshiboken/embed/signature_bootstrap.py
@@ -211,7 +211,7 @@ class EmbeddableZipImporter(object):
         return self if self._mod2path.get(fullname) else None
 
     def load_module(self, fullname):
-        import importlib
+        import importlib.machinery
         import sys
 
         filename = self._mod2path.get(fullname)