diff --git a/src/zope/security/_proxy.c b/src/zope/security/_proxy.c
index d38eaeb..4a953db 100644
--- a/src/zope/security/_proxy.c
+++ b/src/zope/security/_proxy.c
@@ -326,6 +326,10 @@ proxy_richcompare(SecurityProxy* self, PyObject* other, int op)
 {
   PyObject *result = NULL;
 
+  if (Proxy_Check(other)) {
+      other = ((SecurityProxy*)(other))->proxy.proxy_object;
+  }
+
   result = PyObject_RichCompare(self->proxy.proxy_object, other, op);
   if (result == Py_True || result == Py_False)
     return result;
diff --git a/src/zope/security/proxy.py b/src/zope/security/proxy.py
index 66a4cb7..a4df5ae 100644
--- a/src/zope/security/proxy.py
+++ b/src/zope/security/proxy.py
@@ -177,32 +177,32 @@ def __delattr__(self, name):
     def __lt__(self, other):
         # no check
         wrapped = super().__getattribute__('_wrapped')
-        return wrapped < other
+        return wrapped < getObjectPy(other)
 
     def __le__(self, other):
         # no check
         wrapped = super().__getattribute__('_wrapped')
-        return wrapped <= other
+        return wrapped <= getObjectPy(other)
 
     def __eq__(self, other):
         # no check
         wrapped = super().__getattribute__('_wrapped')
-        return wrapped == other
+        return wrapped == getObjectPy(other)
 
     def __ne__(self, other):
         # no check
         wrapped = super().__getattribute__('_wrapped')
-        return wrapped != other
+        return wrapped != getObjectPy(other)
 
     def __ge__(self, other):
         # no check
         wrapped = super().__getattribute__('_wrapped')
-        return wrapped >= other
+        return wrapped >= getObjectPy(other)
 
     def __gt__(self, other):
         # no check
         wrapped = super().__getattribute__('_wrapped')
-        return wrapped > other
+        return wrapped > getObjectPy(other)
 
     def __hash__(self):
         # no check
diff --git a/src/zope/security/tests/test_proxy.py b/src/zope/security/tests/test_proxy.py
index 90e9fc3..669a519 100644
--- a/src/zope/security/tests/test_proxy.py
+++ b/src/zope/security/tests/test_proxy.py
@@ -1638,9 +1638,16 @@ def testCallOK(self):
     def testCallFail(self):
         self.shouldFail(self.p, None)
 
-    def testRichCompareOK(self):
+    def testRichCompareProxyWithObjectOK(self):
         self.assertTrue(self.p == self.x)
 
+    def testRichCompareObjectWithProxyOK(self):
+        # Proxy does not get unwrapped as `Something` class defines `__eq__`.
+        self.assertFalse(self.x == self.p)
+
+    def testRichCompareWithProxyWithProxyOK(self):
+        self.assertTrue(self.p == self.p)
+
 #    def testRichCompareFail(self):
 #        self.shouldFail(lambda: self.p == self.x)