diff --git a/src/config.py b/src/config.py
index b435daa02..0a89aa6f9 100644
--- a/src/config.py
+++ b/src/config.py
@@ -28,7 +28,7 @@
 
 # OpenAI-compatible models that reject the `dimensions=` request parameter.
 _EMBEDDING_KNOWN_REJECTING_MODELS: frozenset[str] = frozenset(
-    {"text-embedding-ada-002"}
+    {"text-embedding-ada-002", "mistral-embed"}
 )