diff --git a/dingo/retrieval/mteb_adapter.py b/dingo/retrieval/mteb_adapter.py
index 3de7e471..58ca33b0 100644
--- a/dingo/retrieval/mteb_adapter.py
+++ b/dingo/retrieval/mteb_adapter.py
@@ -70,7 +70,9 @@ def _build_effective_query_text(
 ) -> str:
     if not _task_uses_query_instructions(task_name) or not instruction:
         return query_text
-    return f"Instruction: {instruction}\nQuery: {query_text}"
+    if query_text and query_text in instruction:
+        return instruction
+    return f"{query_text} {instruction}"
 
 
 def _instruction_trace_fields(