diff --git a/src/Simplex/Chat/Library/Subscriber.hs b/src/Simplex/Chat/Library/Subscriber.hs
index 682a3bc75d..aefabd3c0c 100644
--- a/src/Simplex/Chat/Library/Subscriber.hs
+++ b/src/Simplex/Chat/Library/Subscriber.hs
@@ -3210,6 +3210,9 @@ processAgentMessageConn cxt user@User {userId} corrId agentConnId agentMessage =
               messageError "x.grp.mem.role with insufficient member permissions" $> Nothing
           | useRelays' gInfo && (isRosterRole memRole || isRosterRole fromRole) && senderRole /= GROwner =
               messageError "x.grp.mem.role: only the owner can change member, moderator and admin roles in relay groups" $> Nothing
+          -- in channels the owner-signed roster delivers role changes to subscribers; a forwarded
+          -- x.grp.mem.role landing after the roster already applied the role is a no-op, suppress it
+          | useRelays' gInfo && fromRole == memRole = pure $ memberEventDeliveryScope member
           | otherwise = do
               withStore' $ \db -> updateGroupMemberRole db user member memRole
               (gInfo'', m', scopeInfo) <- mkGroupChatScope gInfo' m
diff --git a/tests/ChatTests/Groups.hs b/tests/ChatTests/Groups.hs
index 1cf6ebfe4b..13d169f0cf 100644
--- a/tests/ChatTests/Groups.hs
+++ b/tests/ChatTests/Groups.hs
@@ -8889,7 +8889,6 @@ testChannelsSenderDeduplicateOwn ps = do
                    ]
             cath
               <### [ EndsWith "updated to dan",
-                     "#team: member role did not change",
                      "#team: bob introduced dan (Daniel) in the channel",
                      WithTime "#team> 1 [>>]",
                      WithTime "#team> 2 [>>]",
@@ -8898,7 +8897,6 @@ testChannelsSenderDeduplicateOwn ps = do
                    ]
             dan
               <### [ EndsWith "updated to cath",
-                     "#team: member role did not change",
                      "#team: bob introduced cath (Catherine) in the channel",
                      WithTime "#team> 1 [>>]",
                      WithTime "#team> 2 [>>]",
@@ -8909,8 +8907,6 @@ testChannelsSenderDeduplicateOwn ps = do
             eve
               <### [ EndsWith "updated to cath",
                      EndsWith "updated to dan",
-                     "#team: member role did not change",
-                     "#team: member role did not change",
                      "#team: bob introduced cath (Catherine) in the channel",
                      "#team: bob introduced dan (Daniel) in the channel",
                      WithTime "#team> 1 [>>]",
@@ -9081,21 +9077,17 @@ testChannelMultipleLargeProfiles ps =
                    ]
             cath
               <### [ EndsWith "updated to dan",
-                     "#team: member role did not change",
                      "#team: bob introduced dan (Daniel) in the channel",
                      WithTime "#team dan> from dan [>>]"
                    ]
             dan
               <### [ EndsWith "updated to cath",
-                     "#team: member role did not change",
                      "#team: bob introduced cath (Catherine) in the channel",
                      WithTime "#team cath> from cath [>>]"
                    ]
             eve
               <### [ EndsWith "updated to cath",
                      EndsWith "updated to dan",
-                     "#team: member role did not change",
-                     "#team: member role did not change",
                      "#team: bob introduced dan (Daniel) in the channel",
                      "#team: bob introduced cath (Catherine) in the channel",
                      WithTime "#team cath> from cath [>>]",