diff --git a/vector-stores/spring-ai-oracle-store/src/main/java/org/springframework/ai/vectorstore/OracleVectorStore.java b/vector-stores/spring-ai-oracle-store/src/main/java/org/springframework/ai/vectorstore/OracleVectorStore.java
index 118cbabea2..260f4c4990 100644
--- a/vector-stores/spring-ai-oracle-store/src/main/java/org/springframework/ai/vectorstore/OracleVectorStore.java
+++ b/vector-stores/spring-ai-oracle-store/src/main/java/org/springframework/ai/vectorstore/OracleVectorStore.java
@@ -625,7 +625,7 @@ public Builder createObservationContextBuilder(String operationName) {
 		return VectorStoreObservationContext.builder(VectorStoreProvider.ORACLE.value(), operationName)
 			.withDimensions(this.embeddingModel.dimensions())
 			.withCollectionName(this.getTableName())
-			.withFieldName(getSimilarityMetric());
+			.withSimilarityMetric(getSimilarityMetric());
 	}
 
 	private static Map<OracleVectorStoreDistanceType, VectorStoreSimilarityMetric> SIMILARITY_TYPE_MAPPING = Map.of(