diff --git a/BizHawk.Emulation.Cores/Waterbox/LibWaterboxCore.cs b/BizHawk.Emulation.Cores/Waterbox/LibWaterboxCore.cs
index b1fd9ee0d6..0cacab7e64 100644
--- a/BizHawk.Emulation.Cores/Waterbox/LibWaterboxCore.cs
+++ b/BizHawk.Emulation.Cores/Waterbox/LibWaterboxCore.cs
@@ -48,7 +48,7 @@ namespace BizHawk.Emulation.Cores.Waterbox
 		}
 
 		[Flags]
-		public enum MemoryDomainFlags : int
+		public enum MemoryDomainFlags : long
 		{
 			None = 0,
 			/// <summary>
diff --git a/output/dll/ss.wbx.gz b/output/dll/ss.wbx.gz
index 6b6cf90539..aee1cbf775 100644
Binary files a/output/dll/ss.wbx.gz and b/output/dll/ss.wbx.gz differ
diff --git a/waterbox/emulibc/waterboxcore.h b/waterbox/emulibc/waterboxcore.h
index 8ac891d120..4dc8741469 100644
--- a/waterbox/emulibc/waterboxcore.h
+++ b/waterbox/emulibc/waterboxcore.h
@@ -21,7 +21,7 @@ typedef struct
 	void* Data;
 	const char* Name;
 	int64_t Size;
-	int32_t Flags;
+	int64_t Flags;
 } MemoryArea;
 
 #define MEMORYAREA_FLAGS_WRITABLE 1