diff --git a/internal/agent/coordinator.go b/internal/agent/coordinator.go
index 5acafb993d2d40860ae1ccf3992dea9c3e1b7980..16ceb21a38669af83261a212b861193ae2e89779 100644
--- a/internal/agent/coordinator.go
+++ b/internal/agent/coordinator.go
@@ -508,7 +508,7 @@ func (c *coordinator) buildAgentModels(ctx context.Context, isSubAgent bool) (Mo
 		return Model{}, Model{}, errors.New("large model provider not configured")
 	}
 
-	smallProvider, err := c.buildProvider(smallProviderCfg, largeModelCfg, true)
+	smallProvider, err := c.buildProvider(smallProviderCfg, smallModelCfg, true)
 	if err != nil {
 		return Model{}, Model{}, err
 	}