diff --git a/functions.py b/functions.py
index 9be27d85..7b36ff73 100644
--- a/functions.py
+++ b/functions.py
@@ -244,7 +244,10 @@ def get_definition(source, line, column, source_path):
         for s in scopes.copy():
             if isinstance(s, imports.ImportPath):
                 scopes.remove(s)
-                scopes.update(resolve_import_paths(set(s.follow())))
+                try:
+                    scopes.update(resolve_import_paths(set(s.follow())))
+                except imports.ModuleNotFound:
+                    pass
         return scopes
 
     pos = (line, column)
diff --git a/test/regression.py b/test/regression.py
index bf70b379..5da107a5 100755
--- a/test/regression.py
+++ b/test/regression.py
@@ -84,8 +84,8 @@ class TestRegression(unittest.TestCase):
         assert len(s) > 0
 
     def test_get_definition_on_import(self):
-        assert self.get_def("import os_blabla", (1, 8)) == []
-        assert len(self.get_def("import os", (1, 8))) == 1
+        assert self.get_def("import sys_blabla", (1, 8)) == []
+        assert len(self.get_def("import sys", (1, 8))) == 1
 
     def test_new(self):
         """ This is just to try out things, removing or deleting it is ok. """