diff --git a/models/spring-ai-google-genai-embedding/src/main/java/org/springframework/ai/google/genai/text/GoogleGenAiTextEmbeddingModel.java b/models/spring-ai-google-genai-embedding/src/main/java/org/springframework/ai/google/genai/text/GoogleGenAiTextEmbeddingModel.java
index 46c87cd6862..4b87b05066f 100644
--- a/models/spring-ai-google-genai-embedding/src/main/java/org/springframework/ai/google/genai/text/GoogleGenAiTextEmbeddingModel.java
+++ b/models/spring-ai-google-genai-embedding/src/main/java/org/springframework/ai/google/genai/text/GoogleGenAiTextEmbeddingModel.java
@@ -259,7 +259,7 @@ private DefaultUsage getDefaultUsage(Integer totalTokens) {
 
 	@Override
 	public int dimensions() {
-		return KNOWN_EMBEDDING_DIMENSIONS.getOrDefault(this.defaultOptions.getModel(), super.dimensions());
+		return KNOWN_EMBEDDING_DIMENSIONS.computeIfAbsent(this.defaultOptions.getModel(), model -> super.dimensions());
 	}
 
 	/**