diff --git a/CHANGES.md b/CHANGES.md
index 550d013ba3..1c35e70cd8 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -43,6 +43,7 @@ Bugfix 🐛:
  - RiotX now uses as many threads as it needs to do work and send messages (#1221)
  - Fix issue with media path (#1227)
  - Add user to direct chat by user id (#1065)
+ - Use correct URL for SSO connection (#1178)
 
 Translations 🗣:
  -
diff --git a/matrix-sdk-android/src/main/java/im/vector/matrix/android/api/auth/Constants.kt b/matrix-sdk-android/src/main/java/im/vector/matrix/android/api/auth/Constants.kt
new file mode 100644
index 0000000000..af6e2277f4
--- /dev/null
+++ b/matrix-sdk-android/src/main/java/im/vector/matrix/android/api/auth/Constants.kt
@@ -0,0 +1,37 @@
+/*
+ * Copyright (c) 2020 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package im.vector.matrix.android.api.auth
+
+/**
+ * Path to use when the client does not supported any or all login flows
+ * Ref: https://matrix.org/docs/spec/client_server/latest#login-fallback
+ * */
+const val LOGIN_FALLBACK_PATH = "/_matrix/static/client/login/"
+
+/**
+ * Path to use when the client does not supported any or all registration flows
+ * Not documented
+ */
+const val REGISTER_FALLBACK_PATH = "/_matrix/static/client/register/"
+
+/**
+ * Path to use when the client want to connect using SSO
+ * Ref: https://matrix.org/docs/spec/client_server/latest#sso-client-login
+ */
+const val SSO_FALLBACK_PATH = "/_matrix/client/r0/login/sso/redirect"
+
+const val SSO_REDIRECT_URL_PARAM = "redirectUrl"
diff --git a/vector/src/main/java/im/vector/riotx/features/login/LoginWebFragment.kt b/vector/src/main/java/im/vector/riotx/features/login/LoginWebFragment.kt
index 08d92760b2..f9b0b98f29 100644
--- a/vector/src/main/java/im/vector/riotx/features/login/LoginWebFragment.kt
+++ b/vector/src/main/java/im/vector/riotx/features/login/LoginWebFragment.kt
@@ -31,9 +31,14 @@ import android.webkit.WebView
 import android.webkit.WebViewClient
 import androidx.appcompat.app.AlertDialog
 import com.airbnb.mvrx.activityViewModel
+import im.vector.matrix.android.api.auth.LOGIN_FALLBACK_PATH
+import im.vector.matrix.android.api.auth.REGISTER_FALLBACK_PATH
+import im.vector.matrix.android.api.auth.SSO_FALLBACK_PATH
+import im.vector.matrix.android.api.auth.SSO_REDIRECT_URL_PARAM
 import im.vector.matrix.android.api.auth.data.Credentials
 import im.vector.matrix.android.internal.di.MoshiProvider
 import im.vector.riotx.R
+import im.vector.riotx.core.extensions.appendParamToUrl
 import im.vector.riotx.core.utils.AssetReader
 import im.vector.riotx.features.signout.soft.SoftLogoutAction
 import im.vector.riotx.features.signout.soft.SoftLogoutViewModel
@@ -123,14 +128,24 @@ class LoginWebFragment @Inject constructor(
         val url = buildString {
             append(state.homeServerUrl?.trim { it == '/' })
             if (state.signMode == SignMode.SignIn) {
-                append("/_matrix/static/client/login/")
+                if (state.loginMode == LoginMode.Sso) {
+                    append(SSO_FALLBACK_PATH)
+                    // We do not want to deal with the result, so let the fallback login page to handle it for us
+                    appendParamToUrl(SSO_REDIRECT_URL_PARAM,
+                            buildString {
+                                append(state.homeServerUrl?.trim { it == '/' })
+                                append(LOGIN_FALLBACK_PATH)
+                            })
+                } else {
+                    append(LOGIN_FALLBACK_PATH)
+                }
                 state.deviceId?.takeIf { it.isNotBlank() }?.let {
                     // But https://github.com/matrix-org/synapse/issues/5755
-                    append("?device_id=$it")
+                    appendParamToUrl("device_id", it)
                 }
             } else {
                 // MODE_REGISTER
-                append("/_matrix/static/client/register/")
+                append(REGISTER_FALLBACK_PATH)
             }
         }