diff --git a/python/testData/inspections/PyProtectedMemberInspection/ClassInAnotherModule/a.py b/python/testData/inspections/PyProtectedMemberInspection/ClassInAnotherModule/a.py
new file mode 100644
index 000000000000..9063858e6dd8
--- /dev/null
+++ b/python/testData/inspections/PyProtectedMemberInspection/ClassInAnotherModule/a.py
@@ -0,0 +1,8 @@
+from m1 import A
+
+
+def f():
+    a = A()
+    <weak_warning descr="Access to a protected member _foo of a class">a._foo</weak_warning>()
+    return <weak_warning descr="Access to a protected member _x of a class">a._x</weak_warning>
+
diff --git a/python/testData/inspections/PyProtectedMemberInspection/ClassInAnotherModule/m1.py b/python/testData/inspections/PyProtectedMemberInspection/ClassInAnotherModule/m1.py
new file mode 100644
index 000000000000..bdb27d88a959
--- /dev/null
+++ b/python/testData/inspections/PyProtectedMemberInspection/ClassInAnotherModule/m1.py
@@ -0,0 +1,6 @@
+class A:
+    def __init__(self):
+        self._x = 1
+
+    def _foo(self):
+        pass
diff --git a/python/testSrc/com/jetbrains/python/inspections/PyProtectedMemberInspectionTest.java b/python/testSrc/com/jetbrains/python/inspections/PyProtectedMemberInspectionTest.java
index e25abcb647b2..b92beb696623 100644
--- a/python/testSrc/com/jetbrains/python/inspections/PyProtectedMemberInspectionTest.java
+++ b/python/testSrc/com/jetbrains/python/inspections/PyProtectedMemberInspectionTest.java
@@ -80,6 +80,10 @@ public class PyProtectedMemberInspectionTest extends PyInspectionTestCase {
     doMultiFileTest();
   }
 
+  public void testClassInAnotherModule() {
+    doMultiFileTest();
+  }
+
   @NotNull
   @Override
   protected Class<? extends PyInspection> getInspectionClass() {