diff --git a/gooddata-server-oauth2-autoconfigure/src/main/kotlin/CallContextAuthenticationProcessor.kt b/gooddata-server-oauth2-autoconfigure/src/main/kotlin/CallContextAuthenticationProcessor.kt
index d4606cd..c27346d 100644
--- a/gooddata-server-oauth2-autoconfigure/src/main/kotlin/CallContextAuthenticationProcessor.kt
+++ b/gooddata-server-oauth2-autoconfigure/src/main/kotlin/CallContextAuthenticationProcessor.kt
@@ -87,7 +87,7 @@ class CallContextAuthenticationProcessor(
             val userContextData = UserContextData(
                 organizationId = authDetails.organizationId,
                 userId = authDetails.userId,
-                userName = null,
+                userName = authDetails.userName,
                 tokenId = authDetails.tokenId,
                 authMethod = authMethod,
                 accessToken = null
diff --git a/gooddata-server-oauth2-autoconfigure/src/main/kotlin/CallContextHeaderProcessor.kt b/gooddata-server-oauth2-autoconfigure/src/main/kotlin/CallContextHeaderProcessor.kt
index f03dcf5..c812222 100644
--- a/gooddata-server-oauth2-autoconfigure/src/main/kotlin/CallContextHeaderProcessor.kt
+++ b/gooddata-server-oauth2-autoconfigure/src/main/kotlin/CallContextHeaderProcessor.kt
@@ -54,5 +54,6 @@ data class CallContextAuth(
     val organizationId: String,
     val userId: String,
     val authMethod: String,
-    val tokenId: String? = null
+    val tokenId: String? = null,
+    val userName: String? = null,
 )
diff --git a/gooddata-server-oauth2-autoconfigure/src/test/kotlin/CallContextAuthenticationProcessorTest.kt b/gooddata-server-oauth2-autoconfigure/src/test/kotlin/CallContextAuthenticationProcessorTest.kt
index 95706fe..5cd1045 100644
--- a/gooddata-server-oauth2-autoconfigure/src/test/kotlin/CallContextAuthenticationProcessorTest.kt
+++ b/gooddata-server-oauth2-autoconfigure/src/test/kotlin/CallContextAuthenticationProcessorTest.kt
@@ -128,6 +128,36 @@ class CallContextAuthenticationProcessorTest {
         }
     }
 
+    @Test
+    fun `propagates userName from CallContextAuth to user context`() {
+        val authToken = CallContextAuthenticationToken("base64-encoded-header")
+        val authDetails = CallContextAuth(
+            organizationId = "org123",
+            userId = "user456",
+            authMethod = "OIDC",
+            tokenId = "token789",
+            userName = "John Smith"
+        )
+
+        every { headerProcessor.parseCallContextHeader("base64-encoded-header") } returns authDetails
+        coEvery {
+            userContextProvider.getContextView(any(), any(), any(), any(), any(), any())
+        } returns Context.empty()
+
+        processor.authenticate(authToken, webExchange, webFilterChain).block()
+
+        coVerify(exactly = 1) {
+            userContextProvider.getContextView(
+                organizationId = "org123",
+                userId = "user456",
+                userName = "John Smith",
+                tokenId = "token789",
+                authMethod = AuthMethod.OIDC,
+                accessToken = null
+            )
+        }
+    }
+
     @Test
     fun `null call context throws exception`() {
         val authToken = CallContextAuthenticationToken("header-value")