diff --git a/src/MessagePack/MessagePackSecurity.cs b/src/MessagePack/MessagePackSecurity.cs
index d8e831816..2bdd9fbf9 100644
--- a/src/MessagePack/MessagePackSecurity.cs
+++ b/src/MessagePack/MessagePackSecurity.cs
@@ -377,8 +377,8 @@ public override unsafe int GetHashCode(float value)
                     value = float.NaN;
                 }
 
-                long l = *(long*)&value;
-                return HashCode.Combine((int)(l >> 32), unchecked((int)l));
+                int l = *(int*)&value;
+                return l;
             }
         }