diff --git a/integrations/nvidia/src/haystack_integrations/components/rankers/nvidia/ranker.py b/integrations/nvidia/src/haystack_integrations/components/rankers/nvidia/ranker.py
index ec1af7ab8..67215d753 100644
--- a/integrations/nvidia/src/haystack_integrations/components/rankers/nvidia/ranker.py
+++ b/integrations/nvidia/src/haystack_integrations/components/rankers/nvidia/ranker.py
@@ -17,6 +17,7 @@
 _DEFAULT_MODEL = "nvidia/nv-rerankqa-mistral-4b-v3"
 
 _MODEL_ENDPOINT_MAP = {
+    "nv-rerank-qa-mistral-4b:1": "https://ai.api.nvidia.com/v1/retrieval/nvidia/reranking",
     "nvidia/nv-rerankqa-mistral-4b-v3": "https://ai.api.nvidia.com/v1/retrieval/nvidia/nv-rerankqa-mistral-4b-v3/reranking",
     "nvidia/llama-3.2-nv-rerankqa-1b-v1": "https://ai.api.nvidia.com/v1/retrieval/nvidia/llama-3_2-nv-rerankqa-1b-v1/reranking",
     "nvidia/llama-3.2-nv-rerankqa-1b-v2": "https://ai.api.nvidia.com/v1/retrieval/nvidia/llama-3_2-nv-rerankqa-1b-v2/reranking",