diff --git a/.drone.yml b/.drone.yml
index 21a3981bc..0067bdf2c 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -107,6 +107,7 @@ services:
       - su www-data -c "OC_PASS=user2 php /var/www/html/occ user:add --password-from-env --display-name='User Two' user2"
       - su www-data -c "OC_PASS=user3 php /var/www/html/occ user:add --password-from-env --display-name='User Three' user3"
       - su www-data -c "OC_PASS=test php /var/www/html/occ user:add --password-from-env --display-name='Test@Test' test@test"
+      - su www-data -c "OC_PASS=test php /var/www/html/occ user:add --password-from-env --display-name='Test Spaces' 'test test'"
       - su www-data -c "php /var/www/html/occ user:setting user2 files quota 1G"
       - su www-data -c "php /var/www/html/occ group:add users"
       - su www-data -c "php /var/www/html/occ group:adduser users user1"
@@ -201,6 +202,7 @@ services:
       - su www-data -c "OC_PASS=user2 php /var/www/html/occ user:add --password-from-env --display-name='User Two' user2"
       - su www-data -c "OC_PASS=user3 php /var/www/html/occ user:add --password-from-env --display-name='User Three' user3"
       - su www-data -c "OC_PASS=test php /var/www/html/occ user:add --password-from-env --display-name='Test@Test' test@test"
+      - su www-data -c "OC_PASS=test php /var/www/html/occ user:add --password-from-env --display-name='Test Spaces' 'test test'"
       - su www-data -c "php /var/www/html/occ user:setting user2 files quota 1G"
       - su www-data -c "php /var/www/html/occ group:add users"
       - su www-data -c "php /var/www/html/occ group:adduser users user1"
diff --git a/library/src/androidTest/java/com/owncloud/android/lib/common/UsernameVariationsIT.kt b/library/src/androidTest/java/com/owncloud/android/lib/common/UsernameVariationsIT.kt
new file mode 100644
index 000000000..2ca83a3f8
--- /dev/null
+++ b/library/src/androidTest/java/com/owncloud/android/lib/common/UsernameVariationsIT.kt
@@ -0,0 +1,58 @@
+/*
+ *  Nextcloud Android Library is available under MIT license
+ *
+ *  @author Álvaro Brey Vilas
+ *  Copyright (C) 2022 Álvaro Brey Vilas
+ *  Copyright (C) 2022 Nextcloud GmbH
+ *
+ *  Permission is hereby granted, free of charge, to any person obtaining a copy
+ *  of this software and associated documentation files (the "Software"), to deal
+ *  in the Software without restriction, including without limitation the rights
+ *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ *  copies of the Software, and to permit persons to whom the Software is
+ *  furnished to do so, subject to the following conditions:
+ *
+ *  The above copyright notice and this permission notice shall be included in
+ *  all copies or substantial portions of the Software.
+ *
+ *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ *  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ *  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ *  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ *  BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ *  ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ *  CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ *  THE SOFTWARE.
+ */
+
+package com.owncloud.android.lib.common
+
+import com.owncloud.android.AbstractIT
+import com.owncloud.android.lib.resources.files.ExistenceCheckRemoteOperation
+import org.junit.Assert
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.junit.runners.Parameterized
+
+@RunWith(Parameterized::class)
+class UsernameVariationsIT(private val username: String) : AbstractIT() {
+    companion object {
+        @Parameterized.Parameters(name = "{0}")
+        @JvmStatic
+        fun data(): Collection<Array<Any>> = listOf(
+            arrayOf("test"),
+            arrayOf("test test"),
+            arrayOf("test@test")
+        )
+    }
+
+    @Test
+    fun testExistenceCheckWithUsername() {
+        val ocClient = OwnCloudClientFactory.createOwnCloudClient(url, context, true)
+        ocClient.credentials = OwnCloudBasicCredentials(username, "test")
+        ocClient.userId = username // for test same as userId
+
+        val existenceCheck = ExistenceCheckRemoteOperation("/", false).execute(ocClient)
+        Assert.assertTrue(existenceCheck.isSuccess)
+    }
+}