diff --git a/app/src/uiTest/kotlin/ch/protonmail/android/uitest/e2e/composer/chips/ComposerRecipientsCollapsedChipsTests.kt b/app/src/uiTest/kotlin/ch/protonmail/android/uitest/e2e/composer/chips/ComposerRecipientsCollapsedChipsTests.kt
index 21d301fb66..23d2bf0f3c 100644
--- a/app/src/uiTest/kotlin/ch/protonmail/android/uitest/e2e/composer/chips/ComposerRecipientsCollapsedChipsTests.kt
+++ b/app/src/uiTest/kotlin/ch/protonmail/android/uitest/e2e/composer/chips/ComposerRecipientsCollapsedChipsTests.kt
@@ -40,6 +40,7 @@ import dagger.hilt.android.testing.UninstallModules
 import io.mockk.mockk
 import me.proton.core.auth.domain.usecase.ValidateServerProof
 import org.junit.Before
+import org.junit.Ignore
 import org.junit.Test
 
 @RegressionTest
@@ -85,6 +86,7 @@ internal class ComposerRecipientsCollapsedChipsTests : MockedNetworkTest(), Comp
         navigator { navigateTo(Destination.Composer) }
     }
 
+    @Ignore("https://jira.protontech.ch/browse/MAILANDR-781")
     @Test
     @SmokeTest
     @TestId("190243")
@@ -142,6 +144,7 @@ internal class ComposerRecipientsCollapsedChipsTests : MockedNetworkTest(), Comp
         }
     }
 
+    @Ignore("https://jira.protontech.ch/browse/MAILANDR-781")
     @Test
     @SmokeTest
     @TestId("190246")
diff --git a/mail-composer/presentation/src/main/kotlin/ch/protonmail/android/mailcomposer/presentation/mapper/ParticipantMapper.kt b/mail-composer/presentation/src/main/kotlin/ch/protonmail/android/mailcomposer/presentation/mapper/ParticipantMapper.kt
index 62357de20f..8fd9d13690 100644
--- a/mail-composer/presentation/src/main/kotlin/ch/protonmail/android/mailcomposer/presentation/mapper/ParticipantMapper.kt
+++ b/mail-composer/presentation/src/main/kotlin/ch/protonmail/android/mailcomposer/presentation/mapper/ParticipantMapper.kt
@@ -39,7 +39,7 @@ class ParticipantMapper @Inject constructor() {
         return Participant(
             recipient.address,
             contactEmail?.name?.takeIfNotBlank() ?: recipient.address,
-            false, // after we bump core, change to: contactEmail?.isProton ?: false
+            contactEmail?.isProton ?: false,
             null
         )
     }
diff --git a/mail-composer/presentation/src/test/kotlin/ch/protonmail/android/mailcomposer/presentation/mapper/ParticipantMapperTest.kt b/mail-composer/presentation/src/test/kotlin/ch/protonmail/android/mailcomposer/presentation/mapper/ParticipantMapperTest.kt
index 14bd2dc6b6..07bdec333f 100644
--- a/mail-composer/presentation/src/test/kotlin/ch/protonmail/android/mailcomposer/presentation/mapper/ParticipantMapperTest.kt
+++ b/mail-composer/presentation/src/test/kotlin/ch/protonmail/android/mailcomposer/presentation/mapper/ParticipantMapperTest.kt
@@ -48,7 +48,8 @@ class ParticipantMapperTest {
                     0,
                     ContactIdTestData.contactId1,
                     "test1@protonmail.com",
-                    emptyList()
+                    emptyList(),
+                    true
                 )
             )
         ),
@@ -64,7 +65,8 @@ class ParticipantMapperTest {
                     0,
                     ContactIdTestData.contactId2,
                     "test2@protonmail.com",
-                    emptyList()
+                    emptyList(),
+                    false
                 ),
                 ContactEmail(
                     UserIdTestData.userId,
@@ -75,7 +77,8 @@ class ParticipantMapperTest {
                     0,
                     ContactIdTestData.contactId1,
                     "test3@protonmail.com",
-                    emptyList()
+                    emptyList(),
+                    false
                 )
             )
         )
@@ -87,7 +90,7 @@ class ParticipantMapperTest {
         val expectedResult = Participant(
             address = "test1@protonmail.com",
             name = "First name from contact email",
-            isProton = false
+            isProton = true
         )
 
         // When