diff --git a/iib/workers/tasks/build.py b/iib/workers/tasks/build.py
index 822b83f8..7e7ffc5c 100644
--- a/iib/workers/tasks/build.py
+++ b/iib/workers/tasks/build.py
@@ -729,10 +729,11 @@ def handle_add_request(
     present_bundles_pull_spec = []
     with tempfile.TemporaryDirectory(prefix='iib-') as temp_dir:
         if from_index:
-            if is_image_dc(from_index):
-                err_msg = 'Declarative config image type is not supported yet.'
-                log.error(err_msg)
-                raise IIBError(err_msg)
+            with set_registry_token(overwrite_from_index_token, from_index_resolved):
+                if is_image_dc(from_index_resolved):
+                    err_msg = 'Declarative config image type is not supported yet.'
+                    log.error(err_msg)
+                    raise IIBError(err_msg)
 
             msg = 'Checking if bundles are already present in index image'
             log.info(msg)
@@ -892,10 +893,11 @@ def handle_rm_request(
     from_index_resolved = prebuild_info['from_index_resolved']
 
     with tempfile.TemporaryDirectory(prefix='iib-') as temp_dir:
-        if is_image_dc(from_index):
-            err_msg = 'Declarative config image type is not supported yet.'
-            log.error(err_msg)
-            raise IIBError(err_msg)
+        with set_registry_token(overwrite_from_index_token, from_index_resolved):
+            if is_image_dc(from_index_resolved):
+                err_msg = 'Declarative config image type is not supported yet.'
+                log.error(err_msg)
+                raise IIBError(err_msg)
 
         _opm_index_rm(
             temp_dir,
diff --git a/iib/workers/tasks/build_create_empty_index.py b/iib/workers/tasks/build_create_empty_index.py
index d4fd0f35..2cbf4360 100644
--- a/iib/workers/tasks/build_create_empty_index.py
+++ b/iib/workers/tasks/build_create_empty_index.py
@@ -86,7 +86,7 @@ def handle_create_empty_index_request(
 
     _update_index_image_build_state(request_id, prebuild_info)
     with tempfile.TemporaryDirectory(prefix='iib-') as temp_dir:
-        if is_image_dc(from_index):
+        if is_image_dc(from_index_resolved):
             err_msg = 'Declarative config image type is not supported yet.'
             log.error(err_msg)
             raise IIBError(err_msg)
diff --git a/iib/workers/tasks/build_merge_index_image.py b/iib/workers/tasks/build_merge_index_image.py
index 3d03395c..d6b59b66 100644
--- a/iib/workers/tasks/build_merge_index_image.py
+++ b/iib/workers/tasks/build_merge_index_image.py
@@ -194,7 +194,7 @@ def handle_merge_request(
     target_index_resolved = prebuild_info['target_index_resolved']
 
     with tempfile.TemporaryDirectory(prefix='iib-') as temp_dir:
-        if is_image_dc(source_from_index):
+        if is_image_dc(source_from_index_resolved):
             err_msg = 'Declarative config image type is not supported yet.'
             log.error(err_msg)
             raise IIBError(err_msg)
diff --git a/tests/test_workers/test_tasks/test_build.py b/tests/test_workers/test_tasks/test_build.py
index 3e9f19f0..0107bca5 100644
--- a/tests/test_workers/test_tasks/test_build.py
+++ b/tests/test_workers/test_tasks/test_build.py
@@ -652,7 +652,7 @@ def side_effect(_, temp_dir, *args, **kwargs):
     else:
         assert not mock_oia.call_args[0][5]
 
-    mock_srt.assert_called_once()
+    mock_srt.call_count == 2
 
     if deprecate_bundles:
         # Take into account the temporarily created index image