diff --git a/mypy/semanal.py b/mypy/semanal.py
index 70403eed57aee..9d1ab60a13116 100644
--- a/mypy/semanal.py
+++ b/mypy/semanal.py
@@ -2466,7 +2466,7 @@ def visit_import(self, i: Import) -> None:
             if as_id is not None:
                 base_id = id
                 imported_id = as_id
-                module_public = use_implicit_reexport or id.split(".")[-1] == as_id
+                module_public = use_implicit_reexport or id == as_id
             else:
                 base_id = id.split(".")[0]
                 imported_id = base_id
diff --git a/test-data/unit/check-modules.test b/test-data/unit/check-modules.test
index abbdf4987c46e..44585fdd8d1a3 100644
--- a/test-data/unit/check-modules.test
+++ b/test-data/unit/check-modules.test
@@ -1818,6 +1818,8 @@ m = n  # E: Cannot assign multiple modules to name "m" without explicit "types.M
 from stub import Iterable  # E: Module "stub" does not explicitly export attribute "Iterable"
 from stub import D  # E: Module "stub" does not explicitly export attribute "D"
 from stub import C
+from stub import foo
+from stub import bar  # E: Module "stub" does not explicitly export attribute "bar"
 
 c = C()
 reveal_type(c.x)  # N: Revealed type is "builtins.int"
@@ -1828,6 +1830,8 @@ reveal_type(it)  # N: Revealed type is "typing.Iterable[builtins.int]"
 from typing import Iterable
 from substub import C as C
 from substub import C as D
+from package import foo as foo
+import package.bar as bar
 
 def fun(x: Iterable[str]) -> Iterable[int]: pass
 
@@ -1835,6 +1839,10 @@ def fun(x: Iterable[str]) -> Iterable[int]: pass
 class C:
     x: int
 
+[file package/foo.pyi]
+
+[file package/bar.pyi]
+
 [builtins fixtures/module.pyi]
 
 [case testNoReExportFromStubsMemberType]