diff --git a/modules/beast_core/containers/HashMap.cpp b/modules/beast_core/containers/HashMap.cpp
index b4e4b629be..451a316d26 100644
--- a/modules/beast_core/containers/HashMap.cpp
+++ b/modules/beast_core/containers/HashMap.cpp
@@ -130,7 +130,12 @@ public:
         for (std::size_t i = 0; i < numberOfKeys; ++i)
             map.insert (traits.getKey (i));
 
-        this->logMessage ("load_factor = " + String::fromNumber (map.load_factor ()));
+        String s (
+            "load_factor = " + String::fromNumber (map.load_factor (), 2) +
+            ", bucket_count = " + String::fromNumber (map.bucket_count ()));
+        this->logMessage (s);
+
+        expect (map.size () == numberOfKeys);
     }
 
     void runTest ()
diff --git a/modules/beast_core/containers/HashMap.h b/modules/beast_core/containers/HashMap.h
index 95dd1f4dcf..e1f46f5a07 100644
--- a/modules/beast_core/containers/HashMap.h
+++ b/modules/beast_core/containers/HashMap.h
@@ -443,7 +443,7 @@ public:
     enum
     {
         initialBucketCount = 101,
-        percentageIncrease = 75
+        percentageIncrease = 25
     };
 
     static float getDefaultLoadFactor () noexcept