diff --git a/dspy/retrieve/qdrant_rm.py b/dspy/retrieve/qdrant_rm.py
index 1ee63f2753..0ffd42dd80 100644
--- a/dspy/retrieve/qdrant_rm.py
+++ b/dspy/retrieve/qdrant_rm.py
@@ -53,7 +53,7 @@ def __init__(
 
         super().__init__(k=k)
 
-    def forward(self, query_or_queries: Union[str, List[str]], k: Optional[int],**kwargs) -> dspy.Prediction:
+    def forward(self, query_or_queries: Union[str, List[str]], k: Optional[int] = None,**kwargs) -> dspy.Prediction:
         """Search with Qdrant for self.k top passages for query
 
         Args: