diff --git a/server/src/main/java/au/org/aodn/ogcapi/server/core/service/ElasticSearchBase.java b/server/src/main/java/au/org/aodn/ogcapi/server/core/service/ElasticSearchBase.java
index c7373599..42fab9db 100644
--- a/server/src/main/java/au/org/aodn/ogcapi/server/core/service/ElasticSearchBase.java
+++ b/server/src/main/java/au/org/aodn/ogcapi/server/core/service/ElasticSearchBase.java
@@ -220,8 +220,8 @@ protected Supplier<SearchRequest.Builder> buildCollectionSearchRequestSupplier(f
                                                 "!doc['"+summaryScore+"'].empty ? doc['"+summaryScore+"'].value : 0.0; " +
 
                                                 // Step 2: Normalize internal score to 0-1 range
-                                                // Assuming summaries.score is in range 0-146
-                                                "double normalizedScore = internalScore / 146.0; " +
+                                                // Assuming summaries.score is in range 0-166
+                                                "double normalizedScore = internalScore / 166.0; " +
 
                                                 // Step 3: Ensure minimum multiplier to avoid zero scores
                                                 "double multiplier = Math.max(normalizedScore, 0.01); " +