diff --git a/src/griffe/agents/visitor.py b/src/griffe/agents/visitor.py
index c5ddc1be..c97eabee 100644
--- a/src/griffe/agents/visitor.py
+++ b/src/griffe/agents/visitor.py
@@ -503,7 +503,7 @@ def visit_import(self, node: ast.Import) -> None:
             node: The node to visit.
         """
         for name in node.names:
-            alias_path = name.name
+            alias_path = name.name.split(".", 1)[0]
             alias_name = name.asname or alias_path.split(".", 1)[0]
             self.current.imports[alias_name] = alias_path
             self.current.set_member(