diff --git a/src/BizHawk.Client.EmuHawk/RetroAchievements/RCheevos.GameInfo.cs b/src/BizHawk.Client.EmuHawk/RetroAchievements/RCheevos.GameInfo.cs
index 93fe4607e6..19968a8c35 100644
--- a/src/BizHawk.Client.EmuHawk/RetroAchievements/RCheevos.GameInfo.cs
+++ b/src/BizHawk.Client.EmuHawk/RetroAchievements/RCheevos.GameInfo.cs
@@ -289,7 +289,7 @@ namespace BizHawk.Client.EmuHawk
 				return IdentifyHash(Encoding.ASCII.GetString(hash, 0, 32));
 			}
 
-			_gameHash ??= "EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE";
+			_gameHash ??= MD5Checksum.Dummy;
 			return 0;
 		}
 
diff --git a/src/BizHawk.Common/checksums/MD5Checksum.cs b/src/BizHawk.Common/checksums/MD5Checksum.cs
index 1fbca25002..20aa7939b5 100644
--- a/src/BizHawk.Common/checksums/MD5Checksum.cs
+++ b/src/BizHawk.Common/checksums/MD5Checksum.cs
@@ -16,6 +16,8 @@ namespace BizHawk.Common
 
 		public const string PREFIX = "MD5";
 
+		public /*static readonly*/const string Dummy = "EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE";
+
 		public /*static readonly*/const string EmptyFile = "D41D8CD98F00B204E9800998ECF8427E";
 
 #if NET5_0_OR_GREATER